{"title":"ThunderMax","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eNowaskey Extreme Performance strives to make high-performance upgrades available from a growing list of vendors, like ThunderMax. This list is hand-selected and combed through by our team of knowledgable staff that know what parts can serve your upgrade best.\u003c\/p\u003e","products":[{"product_id":"thundermax-2021-up-touring®-models-w-o-center-cool-motor","title":"ThunderMax ECM for 2021+ Bagger Models (without Center Cool Motor)","description":"\u003ch1 style=\"text-align: center;\"\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/cVcV2mdruek?si=gNXA1j4m-M5bdwz0\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/h1\u003e\n\u003ch1\u003eThunderMax Performance ECM: 2021 - up Harley Davidson®  Baggers.\u003c\/h1\u003e\n\u003ch2\u003eBoost Your Harley’s Performance with ThunderMax ECM\u003c\/h2\u003e\n\u003cp\u003eThunderMax is an industry award-winning performance ECM designed specifically for EFI-equipped Harley Davidson® motorcycles. This cutting-edge, stand-alone tuning system enhances your bike's rideability and power using proprietary AutoTune technology and wide-band oxygen sensors. Whether you’re a weekend rider or a seasoned Harley enthusiast, ThunderMax guarantees unmatched performance and ease of installation.\u003c\/p\u003e\n\u003ch2\u003eKey Features of ThunderMax ECM\u003c\/h2\u003e\n\u003ch3\u003eAutoTune Technology for Precision Fueling\u003c\/h3\u003e\n\u003cp\u003eThunderMax’s AutoTune technology uses wide-band oxygen sensors to continuously adjust fueling points every 1.5 degrees of throttle and every 256 RPM. This results in a smoother-running engine with precise control over your bike’s fuel map, ensuring peak performance at all times.\u003c\/p\u003e\n\u003ch3\u003eEasy Installation with No Wire Cutting\u003c\/h3\u003e\n\u003cp\u003eThunderMax is delivered 100% assembled and ready to install. Simply replace your factory ECM and oxygen sensors with ThunderMax, load a map, and you’re set! No wire-cutting or splicing is required, making it an ideal solution for both DIY mechanics and professional installers.\u003c\/p\u003e\n\u003ch3\u003eReal-Time Feedback for Optimal Performance\u003c\/h3\u003e\n\u003cp\u003eThe built-in barometric sensor adjusts for ambient air changes, ensuring consistent performance no matter the conditions. Wide-band O2 sensors provide live, real-time feedback to the ECM, so changes are immediately written to the system once the key is turned off—no need for manual acceptance.\u003c\/p\u003e\n\u003ch2\u003eFull Customization with ThunderMax Tuning Software\u003c\/h2\u003e\n\u003cp\u003eThunderMax is fully adjustable using the ThunderMax tuning software, allowing you to fine-tune the system to your exact preferences. Alternatively, you can simply load a pre-configured basemap and hit the road. The choice is yours, giving you ultimate flexibility in how you tune your Harley.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose ThunderMax for Your Harley Davidson®?\u003c\/h2\u003e\n\u003cp\u003eWith ThunderMax, you get a highly advanced, reliable tuning system that ensures your Harley runs smoothly, efficiently, and powerfully. Whether you’re looking for simple installation or full customization, ThunderMax is the perfect choice for serious riders who want the best performance and rideability from their EFI Harley Davidson® motorcycles.\u003c\/p\u003e\n\u003ch2\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/309-588_20_20_20_20P1_20_20_20Installation_20V2016.10.18-5-compressed.pdf?v=1738256051\"\u003eInstallation Instructions\u003c\/a\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/store.thunder-max.com\/pages\/thundermax-emissions-notice\" title=\"ThunderMax Emissions Notice\" target=\"_blank\"\u003eEmissions Notice\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis product is intended for \"RACE READY\" vehicles only and is not for sale or use on vehicles otherwise subject to emission control requirements.  In the state of California, this product should not be used on any vehicle that is registered for use on public roads. Please view the ThunderMax 50 application guide for \"STREET APPROVED\" \u0026amp; ARB compliant products.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003ePart Number: \u003cstrong\u003e309-591\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e*Excludes 2023-2024 CVO®(VVT)  and 2024-Up Center Cooled Motors\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eTrike Models with RDRS: Please email \u003ca href=\"https:\/\/store.thunder-max.com\/collections\/efi-modules\/products\/support@thunder-max.com\"\u003esupport@thunder-max.com\u003c\/a\u003e prior to installation for an updated firmware file.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e2022–2023 FLTRXST Road Glide ST\u003cbr data-start=\"116\" data-end=\"119\"\u003e2022–2023 FLHXST Street Glide ST\u003cbr data-start=\"151\" data-end=\"154\" data-is-only-node=\"\"\u003e2022 FLTRKSE CVO Road Glide Limited\u003cbr data-start=\"189\" data-end=\"192\"\u003e2021–2024 FLHRXS Road King Special\u003cbr data-start=\"226\" data-end=\"229\"\u003e2021–2024 FLHTK Ultra Limited\u003cbr data-start=\"258\" data-end=\"261\"\u003e2021–2024 FLTRK Road Glide Limited\u003cbr data-start=\"295\" data-end=\"298\"\u003e2021–2023 FLHX Street Glide\u003cbr data-start=\"325\" data-end=\"328\"\u003e2021–2023 FLTRX Road Glide\u003cbr data-start=\"354\" data-end=\"357\"\u003e2021–2023 FLHXS Street Glide Special\u003cbr data-start=\"393\" data-end=\"396\"\u003e2021–2023 FLTRXS Road Glide Special\u003cbr data-start=\"431\" data-end=\"434\"\u003e2021–2023 FLHTPI Electra Glide Police\u003cbr data-start=\"471\" data-end=\"474\"\u003e2021–2022 FLHT Electra Glide Standard\u003cbr data-start=\"511\" data-end=\"514\"\u003e2021–2022 FLHXSE CVO Street Glide\u003cbr data-start=\"547\" data-end=\"550\"\u003e2021–2022 FLHR Road King\u003cbr data-start=\"574\" data-end=\"577\"\u003e2021–2022 FLTRXSE CVO Road Glide\u003cbr data-start=\"609\" data-end=\"612\"\u003e2021 FLH Electra Glide Revival\u003cbr data-start=\"642\" data-end=\"645\"\u003e2021 FLHTKSE CVO Limited\u003c\/p\u003e","brand":"Drag Specialties","offers":[{"title":"Default Title","offer_id":49391618654455,"sku":"106411","price":1115.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/Screenshot2025-01-30at9.13.14AM.png?v=1738257217"},{"product_id":"thundermax-2017-2020-touring®-models","title":"ThunderMax ECM for 2017-2020 Bagger Models","description":"\u003cdiv class=\"product__form\"\u003e\n\u003cdiv id=\"AddToCartForm-product\" data-section=\"product\" class=\"product-form-product product-form\"\u003e\u003cform method=\"post\" action=\"https:\/\/store.thunder-max.com\/cart\/add\" id=\"product_form_1961374187582\" class=\"shopify-product-form\" enctype=\"multipart\/form-data\"\u003e\n\u003cdiv data-shopify=\"payment-button\" data-has-selling-plan=\"false\" data-has-fixed-selling-plan=\"false\" data-customer-accounts-required=\"false\" class=\"shopify-payment-button\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cmeta charset=\"UTF-8\"\u003e\n\u003ch1 style=\"text-align: center;\"\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/cVcV2mdruek?si=gNXA1j4m-M5bdwz0\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/h1\u003e\n\u003ch1\u003e2017 - 2020 Harley Davidson Bagger ThunderMax ECM: The Best Performance Upgrade for EFI Harley Davidson® Motorcycles\u003c\/h1\u003e\n\u003ch2\u003eUnlock Unmatched Performance with ThunderMax ECM for Harley Davidson®\u003c\/h2\u003e\n\u003cp\u003eThunderMax is an \u003cstrong\u003eaward-winning performance ECM\u003c\/strong\u003e engineered specifically for EFI-equipped \u003cstrong\u003eHarley Davidson® motorcycles\u003c\/strong\u003e. This advanced, stand-alone tuning system utilizes proprietary \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e and \u003cstrong\u003ewide-band oxygen sensors\u003c\/strong\u003e to deliver exceptional performance, smooth rideability, and precise engine control. With ThunderMax, you can take your Harley's performance to the next level without any complex installation.\u003c\/p\u003e\n\u003ch2\u003eKey Features of ThunderMax Performance ECM\u003c\/h2\u003e\n\u003ch3\u003eEffortless Installation with No Wire Cutting\u003c\/h3\u003e\n\u003cp\u003eThunderMax arrives \u003cstrong\u003e100% assembled\u003c\/strong\u003e, making installation straightforward and hassle-free. Simply replace your factory ECM and oxygen sensors, load a map, and you’re ready to hit the road. With \u003cstrong\u003eno wire cutting\u003c\/strong\u003e or splicing required, this plug-and-play system is perfect for DIYers and professionals alike.\u003c\/p\u003e\n\u003ch3\u003eAutoTune Technology for Precision Fueling Control\u003c\/h3\u003e\n\u003cp\u003eWith \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e and \u003cstrong\u003ewide-band O2 sensors\u003c\/strong\u003e, ThunderMax constantly adjusts fueling every \u003cstrong\u003e1.5 degrees of throttle\u003c\/strong\u003e and every \u003cstrong\u003e256 RPM\u003c\/strong\u003e to ensure smoother engine performance. This real-time fueling adjustment provides greater control, optimizing the air-fuel ratio and ensuring your engine runs perfectly in all conditions.\u003c\/p\u003e\n\u003ch3\u003eBuilt-In Barometric Sensor for Automatic Adjustment\u003c\/h3\u003e\n\u003cp\u003eThunderMax’s \u003cstrong\u003ebarometric sensor\u003c\/strong\u003e automatically adjusts for changes in ambient air pressure, ensuring consistent fuel mapping and performance regardless of weather or altitude. Combined with the wide-band O2 sensors, ThunderMax continuously monitors and adjusts the air-fuel ratio, delivering \u003cstrong\u003eseamless real-time feedback\u003c\/strong\u003e to the ECM.\u003c\/p\u003e\n\u003ch3\u003eReal-Time Feedback and Immediate Changes\u003c\/h3\u003e\n\u003cp\u003eOne of the standout features of ThunderMax is the \u003cstrong\u003ereal-time feedback\u003c\/strong\u003e from the wide-band O2 sensors. Unlike other systems that require manual acceptance of map changes, ThunderMax automatically writes adjustments to the system as soon as you key off the bike, ensuring your motorcycle is always running at its best.\u003c\/p\u003e\n\u003ch2\u003eFull Customization with ThunderMax Tuning Software\u003c\/h2\u003e\n\u003cp\u003eThunderMax offers \u003cstrong\u003efull adjustability\u003c\/strong\u003e via the \u003cstrong\u003eThunderMax Tuning Software\u003c\/strong\u003e, allowing you to fine-tune the system to meet your specific performance needs. Whether you prefer a simple out-of-the-box experience with a pre-configured basemap or want to dive into detailed adjustments, ThunderMax offers complete flexibility for all riders.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose ThunderMax for Your Harley Davidson®?\u003c\/h2\u003e\n\u003cp\u003eThunderMax is the go-to ECM for riders who demand \u003cstrong\u003epeak performance\u003c\/strong\u003e and \u003cstrong\u003eeasy installation\u003c\/strong\u003e. With its advanced features like \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e, \u003cstrong\u003ereal-time fueling adjustments\u003c\/strong\u003e, and \u003cstrong\u003eseamless integration\u003c\/strong\u003e, ThunderMax offers a smooth, powerful ride while ensuring your bike is always tuned to perfection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExperience the ThunderMax difference\u003c\/strong\u003e today and elevate your Harley Davidson®’s performance without the hassle of complicated setups or installations.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/309-588_20_20_20_20P1_20_20_20Installation_20V2016.10.18-5-compressed.pdf?v=1738256051\"\u003eInstallation Instructions\u003c\/a\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003ca title=\"ThunderMax Emissions Notice\" href=\"https:\/\/store.thunder-max.com\/pages\/thundermax-emissions-notice\" target=\"_blank\"\u003eEmissions Notice\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis product is intended for \"RACE READY\" vehicles only and is not for sale or use on vehicles otherwise subject to emission control requirements.  In the state of California, this product should not be used on any vehicle that is registered for use on public roads. Please view the ThunderMax 50 application guide for \"STREET APPROVED\" \u0026amp; ARB compliant products.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/form\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description rte\"\u003e\n\u003cp class=\"productcode\"\u003ePart Number: \u003cstrong\u003e309-588\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eWorks with or without RDRS (Traction Control) \u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e*Trike Models with RDRS: Please email \u003ca href=\"https:\/\/store.thunder-max.com\/collections\/efi-modules\/products\/support@thunder-max.com\"\u003esupport@thunder-max.com\u003c\/a\u003e prior to installation for an updated firmware file.* \u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eFitment:\u003c\/h3\u003e\n\u003cmeta charset=\"UTF-8\"\u003e\n\u003cmeta charset=\"UTF-8\"\u003e\n\u003cspan\u003e2020 FLTRK Road Glide Limited\u003c\/span\u003e\u003cbr data-start=\"86\" data-end=\"89\"\u003e\u003cspan\u003e2019–2020 FLHT Electra Glide Standard\u003c\/span\u003e\u003cbr data-start=\"126\" data-end=\"129\"\u003e\u003cspan\u003e2018–2020 FLTRXSE CVO Road Glide\u003c\/span\u003e\u003cbr data-start=\"161\" data-end=\"164\"\u003e\u003cspan\u003e2017–2020 FLHTK Ultra Limited\u003c\/span\u003e\u003cbr data-start=\"193\" data-end=\"196\"\u003e\u003cspan\u003e2017–2020 FLHTKSE CVO Limited\u003c\/span\u003e\u003cbr data-start=\"225\" data-end=\"228\"\u003e\u003cspan\u003e2017–2020 FLHXS Street Glide Special\u003c\/span\u003e\u003cbr data-start=\"264\" data-end=\"267\"\u003e\u003cspan\u003e2017–2020 FLHRXS Road King Special\u003c\/span\u003e\u003cbr data-start=\"301\" data-end=\"304\"\u003e\u003cspan\u003e2017–2020 FLTRXS Road Glide Special\u003c\/span\u003e\u003cbr data-start=\"339\" data-end=\"342\"\u003e\u003cspan\u003e2017–2020 FLHTPI Electra Glide Police\u003c\/span\u003e\u003cbr data-start=\"379\" data-end=\"382\"\u003e\u003cspan\u003e2017–2020 FLHR Road King\u003c\/span\u003e\u003cbr data-start=\"406\" data-end=\"409\"\u003e\u003cspan\u003e2017–2020 FLHX Street Glide\u003c\/span\u003e\u003cbr data-start=\"436\" data-end=\"439\"\u003e\u003cspan\u003e2017–2020 FLHXSE CVO Street Glide\u003c\/span\u003e\u003cbr data-start=\"472\" data-end=\"475\"\u003e\u003cspan\u003e2017–2020 FLTRX Road Glide\u003c\/span\u003e\u003cbr data-start=\"501\" data-end=\"504\"\u003e\u003cspan\u003e2017–2019 FLHTKL Ultra Limited Low\u003c\/span\u003e\u003cbr data-start=\"538\" data-end=\"541\"\u003e\u003cspan\u003e2017–2019 FLHTCU Electra Glide Ultra Classic\u003c\/span\u003e\u003cbr data-start=\"585\" data-end=\"588\"\u003e\u003cspan\u003e2017–2019 FLTRU Road Glide Ultra\u003c\/span\u003e\n\u003c\/div\u003e","brand":"Drag Specialties","offers":[{"title":"Default Title","offer_id":49391652798711,"sku":"106412","price":1088.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/image_01c88fb6-6cf3-4cf3-b96b-cc97b9b698be.jpg?v=1769800392"},{"product_id":"thundermax-2024-up-touring®-non-vvt-center-cooled-models","title":"ThunderMax ECM for 2024+ Bagger Models (NON-VVT) Center Cooled Models","description":"\u003ch1 style=\"text-align: center;\"\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/cVcV2mdruek?si=gNXA1j4m-M5bdwz0\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/h1\u003e\n\u003ch1\u003eTuner for 2024-up Bagger made by ThunderMax: The Ultimate Performance ECM for Harley Davidson® Motorcycles\u003c\/h1\u003e\n\u003ch2\u003eAward-Winning ECM for EFI Harley Davidson® Bikes\u003c\/h2\u003e\n\u003cp\u003eThunderMax is a revolutionary, industry award-winning performance ECM (Engine Control Module) specifically designed for EFI-equipped Harley Davidson® motorcycles. This state-of-the-art, stand-alone tuning system leverages proprietary \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e and \u003cstrong\u003ewide-band oxygen sensors\u003c\/strong\u003e to deliver unmatched engine performance, efficiency, and rideability.\u003c\/p\u003e\n\u003ch2\u003eEasy Installation: No Wire Cutting or Splicing Required\u003c\/h2\u003e\n\u003cp\u003eThunderMax ECM comes 100% assembled and ready to install—no complex wiring or splicing needed. Simply replace your factory ECM and oxygen sensors, load a custom map, and you're ready to hit the road with a smoother, more powerful ride.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Wire Cutting or Splicing\u003c\/strong\u003e: A hassle-free, plug-and-play solution\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReady to Install\u003c\/strong\u003e: Fully assembled, no need for additional parts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImmediate Performance Gains\u003c\/strong\u003e: Enhanced rideability and engine control out of the box\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eAdvanced Fueling Control for Precision Tuning\u003c\/h2\u003e\n\u003ch3\u003eReal-Time Adjustments for Optimized Performance\u003c\/h3\u003e\n\u003cp\u003eEvery 1.5 degrees of throttle and every 256 RPM, ThunderMax automatically adjusts fueling points to ensure maximum performance and engine stability. This means more control over your ride and a smoother-running engine.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDynamic Fueling Adjustments\u003c\/strong\u003e: AutoTune technology continuously fine-tunes the air-fuel ratio for peak performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmoother Throttle Response\u003c\/strong\u003e: Automatic adjustments eliminate common fueling issues for better rideability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBarometric Sensor for Consistent Performance\u003c\/h3\u003e\n\u003cp\u003eThunderMax features an integrated \u003cstrong\u003ebarometric sensor\u003c\/strong\u003e that automatically compensates for ambient air changes, ensuring that your bike's performance remains consistent, whether you're riding in the mountains or at sea level.\u003c\/p\u003e\n\u003ch2\u003eWide-Band Oxygen Sensors for Precise Tuning\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003ewide-band O2 sensors\u003c\/strong\u003e constantly monitor and adjust the air-fuel ratio (AFR) in real time. Unlike traditional systems, ThunderMax doesn’t require you to “accept” changes to the map. Once the key is turned off, the new settings are immediately written to the ECM, ensuring optimal fueling at all times.\u003c\/p\u003e\n\u003ch2\u003eFully Customizable with ThunderMax Tuning Software\u003c\/h2\u003e\n\u003cp\u003eThunderMax ECM is fully adjustable using \u003cstrong\u003eThunderMax Tuning Software\u003c\/strong\u003e, allowing you to fine-tune your bike’s performance according to your personal preferences. Whether you want to fine-tune every parameter or simply load a basemap for improved performance, ThunderMax gives you the flexibility to choose your tuning method.\u003c\/p\u003e\n\u003ch3\u003eFlexible Tuning Options:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Customization\u003c\/strong\u003e: Adjust every aspect of fueling, timing, and more using ThunderMax software\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBasemap Option\u003c\/strong\u003e: Easy-to-use pre-programmed maps for quick, hassle-free setup\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose ThunderMax ECM for Your Harley Davidson®?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAward-Winning Performance\u003c\/strong\u003e: ThunderMax is a leader in motorcycle ECM technology.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless Rideability\u003c\/strong\u003e: Enjoy a smoother, more responsive engine with every ride.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Tuning Options\u003c\/strong\u003e: Get full control over your bike’s performance with flexible tuning tools.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpgrade your Harley Davidson® motorcycle with \u003cstrong\u003eThunderMax\u003c\/strong\u003e and experience the ultimate in engine performance, ease of installation, and real-time tuning.\u003c\/p\u003e\n\u003ch2\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/309-588_20_20_20_20P1_20_20_20Installation_20V2016.10.18-5-compressed.pdf?v=1738256051\"\u003eInstallation Instructions\u003c\/a\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003ca title=\"ThunderMax Emissions Notice\" href=\"https:\/\/store.thunder-max.com\/pages\/thundermax-emissions-notice\" target=\"_blank\"\u003eEmissions Notice\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis product is intended for \"RACE READY\" vehicles only and is not for sale or use on vehicles otherwise subject to emission control requirements.  In the state of California, this product should not be used on any vehicle that is registered for use on public roads. Please view the ThunderMax 50 application guide for \"STREET APPROVED\" \u0026amp; ARB compliant products.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"productcode\"\u003ePart Number: \u003cstrong\u003e309-604\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e*Excludes 2023-2024 CVO®(VVT)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e*Fitment for 2024 Roadking®, Ultra®, and Trikes® see part number 309-591\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e2024 FLHX Street Glide\u003cbr data-start=\"22\" data-end=\"25\"\u003e2024 FLTRX Road Glide\u003cbr data-start=\"46\" data-end=\"49\"\u003e2024 FLTRXP Road Glide Police\u003c\/p\u003e","brand":"Drag Specialties","offers":[{"title":"Default Title","offer_id":49391674261751,"sku":"106413","price":1088.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/image_b32eee4e-7bb2-4edf-ada2-e682376b865e.jpg?v=1769800655"},{"product_id":"thundermax-2014-2016-touring®-models","title":"ThunderMax ECM for 2014-2016 Bagger Models","description":"\u003ch1 style=\"text-align: center;\"\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/cVcV2mdruek?si=gNXA1j4m-M5bdwz0\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/h1\u003e\n\u003ch1\u003e2014 - 2016 Harley Davidson Touring model Tuner by ThunderMax Performance.\u003c\/h1\u003e\n\u003ch2\u003eEnhance Your Harley's Performance with ThunderMax ECM\u003c\/h2\u003e\n\u003cp\u003eThunderMax is an \u003cstrong\u003eaward-winning performance ECM\u003c\/strong\u003e designed specifically for \u003cstrong\u003eEFI-equipped Harley Davidson® motorcycles\u003c\/strong\u003e. This advanced, stand-alone \u003cstrong\u003etuning system\u003c\/strong\u003e utilizes proprietary \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e and \u003cstrong\u003ewide-band oxygen sensors\u003c\/strong\u003e to provide unmatched performance, rideability, and engine control. With ThunderMax, you get an easy-to-install solution that enhances your bike’s power and efficiency without complex modifications.\u003c\/p\u003e\n\u003ch2\u003eKey Features of ThunderMax ECM for Harley Davidson®\u003c\/h2\u003e\n\u003ch3\u003ePlug-and-Play Installation: No Wire Cutting Required\u003c\/h3\u003e\n\u003cp\u003eThunderMax comes \u003cstrong\u003efully assembled\u003c\/strong\u003e, so you can install it quickly and easily. There’s \u003cstrong\u003eno wire cutting or splicing\u003c\/strong\u003enecessary—just replace your factory ECM and oxygen sensors, load a map, and enjoy an immediate performance boost. Whether you're a seasoned mechanic or a DIY enthusiast, ThunderMax offers an easy, hassle-free installation process.\u003c\/p\u003e\n\u003ch3\u003eAutoTune Technology for Precision Fueling\u003c\/h3\u003e\n\u003cp\u003eThunderMax utilizes \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e to continuously adjust fueling at every \u003cstrong\u003e1.5 degrees of throttle\u003c\/strong\u003e and \u003cstrong\u003e256 RPM\u003c\/strong\u003e. This ensures optimal performance and a \u003cstrong\u003esmoother running engine\u003c\/strong\u003e across a wide range of riding conditions. With \u003cstrong\u003ewide-band O2 sensors\u003c\/strong\u003e, ThunderMax provides dynamic and precise adjustments to the air-fuel ratio, giving you complete control over your bike's performance.\u003c\/p\u003e\n\u003ch3\u003eReal-Time Adjustments with Wide-Band O2 Sensors\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003ebuilt-in wide-band O2 sensors\u003c\/strong\u003e of ThunderMax continuously monitor your bike's air-fuel ratio and provide \u003cstrong\u003ereal-time feedback\u003c\/strong\u003e to the ECM. This live feedback ensures that fueling adjustments are made instantly, without the need for manual map updates. Once you turn the key off, the changes are automatically saved, ensuring your bike is always running at its best.\u003c\/p\u003e\n\u003ch2\u003eAdvanced Tuning with ThunderMax Software\u003c\/h2\u003e\n\u003ch3\u003eFull Adjustability for Custom Performance\u003c\/h3\u003e\n\u003cp\u003eThunderMax is fully adjustable with \u003cstrong\u003eThunderMax tuning software\u003c\/strong\u003e, giving you the ability to fine-tune the ECM to your specific needs. Whether you're looking for a simple plug-and-play solution or want to dive deeper into custom tuning, ThunderMax offers the flexibility to make your Harley perform exactly the way you want it.\u003c\/p\u003e\n\u003ch3\u003eEasy-to-Use Basemap for Quick Setup\u003c\/h3\u003e\n\u003cp\u003eIf you prefer a simpler approach, ThunderMax allows you to \u003cstrong\u003eload a pre-configured basemap\u003c\/strong\u003e and get riding immediately. This basemap provides a solid starting point for performance improvement, and you can always make further adjustments as you go.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose ThunderMax for Your Harley Davidson®?\u003c\/h2\u003e\n\u003cp\u003eThunderMax is the ideal \u003cstrong\u003eperformance ECM\u003c\/strong\u003e for riders who want \u003cstrong\u003eprecise fuel control\u003c\/strong\u003e, \u003cstrong\u003esmooth rideability\u003c\/strong\u003e, and \u003cstrong\u003eenhanced power\u003c\/strong\u003e. With its \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e, \u003cstrong\u003ewide-band O2 sensors\u003c\/strong\u003e, and \u003cstrong\u003eeasy installation\u003c\/strong\u003e, ThunderMax delivers reliable performance upgrades without the hassle.\u003c\/p\u003e\n\u003cp\u003eUpgrade your ride with ThunderMax today, and experience the ultimate combination of precision, power, and ease-of-use on your Harley Davidson®.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv class=\"product__form\"\u003e\n\u003cdiv class=\"product-form-product product-form\" data-section=\"product\" id=\"AddToCartForm-product\"\u003e\u003cform enctype=\"multipart\/form-data\" class=\"shopify-product-form\" id=\"product_form_1961374187582\" action=\"https:\/\/store.thunder-max.com\/cart\/add\" method=\"post\"\u003e\n\u003cdiv class=\"shopify-payment-button\" data-customer-accounts-required=\"false\" data-has-fixed-selling-plan=\"false\" data-has-selling-plan=\"false\" data-shopify=\"payment-button\"\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ch2\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/309-588_20_20_20_20P1_20_20_20Installation_20V2016.10.18-5-compressed.pdf?v=1738256051\"\u003eInstallation Instructions\u003c\/a\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/store.thunder-max.com\/pages\/thundermax-emissions-notice\" title=\"ThunderMax Emissions Notice\" target=\"_blank\"\u003eEmissions Notice\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis product is intended for \"RACE READY\" vehicles only and is not for sale or use on vehicles otherwise subject to emission control requirements.  In the state of California, this product should not be used on any vehicle that is registered for use on public roads. Please view the ThunderMax 50 application guide for \"STREET APPROVED\" \u0026amp; ARB compliant products.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/form\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description rte\"\u003e\n\u003cp class=\"productcode\"\u003ePart Number:\u003cstrong\u003e 309-562\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3 class=\"productcode\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e2016 FLTR Road Glide\u003cbr data-start=\"122\" data-end=\"125\"\u003e2016 FLTRU Road Glide Ultra\u003cbr data-start=\"152\" data-end=\"155\" data-is-only-node=\"\"\u003e2015–2016 FLHTKL Ultra Limited Low\u003cbr data-start=\"189\" data-end=\"192\"\u003e2015–2016 FLHTCUL Electra Glide Ultra Classic Low\u003cbr data-start=\"241\" data-end=\"244\"\u003e2015–2016 FLHTK Ultra Limited\u003cbr data-start=\"273\" data-end=\"276\"\u003e2015–2016 FLTRXS Road Glide Special\u003cbr data-start=\"311\" data-end=\"314\"\u003e2015–2016 FLRT Freewheeler\u003cbr data-start=\"340\" data-end=\"343\"\u003e2015–2016 FLHXSE CVO Street Glide\u003cbr data-start=\"376\" data-end=\"379\"\u003e2015–2016 FLTRUSE CVO Road Glide Ultra\u003cbr data-start=\"417\" data-end=\"420\"\u003e2015 FLTRX Road Glide\u003cbr data-start=\"441\" data-end=\"444\"\u003e2014–2016 FLHTCUTG Tri Glide Ultra\u003cbr data-start=\"478\" data-end=\"481\"\u003e2014–2016 FLHTKSE CVO Limited\u003cbr data-start=\"510\" data-end=\"513\"\u003e2014–2016 FLHXS Street Glide Special\u003cbr data-start=\"549\" data-end=\"552\"\u003e2014–2016 FLHR Road King\u003cbr data-start=\"576\" data-end=\"579\"\u003e2014–2016 FLHTCU Electra Glide Ultra Classic\u003cbr data-start=\"623\" data-end=\"626\"\u003e2014–2016 FLHX Street Glide\u003cbr data-start=\"653\" data-end=\"656\"\u003e2014–2016 FLHTPI Electra Glide Police\u003cbr data-start=\"693\" data-end=\"696\"\u003e2014 FLHTK Electra Glide Ultra Limited\u003cbr data-start=\"734\" data-end=\"737\"\u003e2014 FLHRSE CVO Road King\u003cbr data-start=\"762\" data-end=\"765\"\u003e2014 FLHTCUL Electra Glide Ultra Classic Low\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Drag Specialties","offers":[{"title":"Default Title","offer_id":49391690186999,"sku":"106414","price":1088.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/image_6bf60262-6475-46cf-b115-9ead05fab6aa.jpg?v=1769800928"},{"product_id":"thundermax-for-08-13-touring®-models","title":"ThunderMax ECM for 2008-2013 Bagger Models","description":"\u003ch1 style=\"text-align: center;\"\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/cVcV2mdruek?si=gNXA1j4m-M5bdwz0\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/h1\u003e\n\u003ch1\u003e08-13 Harley Davidson Bagger ECM and Auto-Tuner by ThunderMax Performance. The Ultimate EFI Upgrade.\u003c\/h1\u003e\n\u003ch2\u003eEnhance Your Harley Davidson® with ThunderMax ECM\u003c\/h2\u003e\n\u003cp\u003eThunderMax is an \u003cstrong\u003eaward-winning performance ECM\u003c\/strong\u003e designed exclusively for \u003cstrong\u003eEFI-equipped Harley Davidson® motorcycles\u003c\/strong\u003e. This advanced, stand-alone \u003cstrong\u003etuning system\u003c\/strong\u003e leverages \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e and \u003cstrong\u003ewide-band oxygen sensors\u003c\/strong\u003e to deliver exceptional performance, smooth rideability, and precise control. Whether you're looking to boost power or improve engine efficiency, ThunderMax provides a seamless upgrade with no complicated installation.\u003c\/p\u003e\n\u003ch2\u003eKey Features of ThunderMax ECM for Harley Davidson®\u003c\/h2\u003e\n\u003ch3\u003eEffortless Installation with No Wiring Modifications\u003c\/h3\u003e\n\u003cp\u003eThunderMax comes \u003cstrong\u003e100% assembled\u003c\/strong\u003e and is ready for installation out of the box. Simply replace your stock ECM and oxygen sensors with ThunderMax, load your custom or pre-configured map, and you're ready to ride. With \u003cstrong\u003eno wire cutting or splicing\u003c\/strong\u003e required, ThunderMax is a hassle-free performance solution that anyone can install.\u003c\/p\u003e\n\u003ch3\u003ePrecision Fueling with AutoTune Technology\u003c\/h3\u003e\n\u003cp\u003eThunderMax's \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e ensures your bike's fueling is optimized for performance in real-time. Every \u003cstrong\u003e1.5 degrees of throttle\u003c\/strong\u003e and every \u003cstrong\u003e256 RPM\u003c\/strong\u003e is automatically adjusted, resulting in smoother engine operation and greater control. Thanks to the \u003cstrong\u003ewide-band O2 sensors\u003c\/strong\u003e, ThunderMax continuously reads and adjusts the \u003cstrong\u003eair-fuel ratio\u003c\/strong\u003e, ensuring your engine performs flawlessly under all riding conditions.\u003c\/p\u003e\n\u003ch3\u003eBarometric Sensor for Consistent Performance\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003ebuilt-in barometric sensor\u003c\/strong\u003e automatically compensates for changes in \u003cstrong\u003eambient air pressure\u003c\/strong\u003e, allowing your Harley to maintain consistent fueling adjustments regardless of elevation or weather conditions. This intelligent feature takes the guesswork out of tuning and ensures your bike runs optimally no matter where the ride takes you.\u003c\/p\u003e\n\u003ch2\u003eAdvanced Tuning and Customization with ThunderMax Software\u003c\/h2\u003e\n\u003ch3\u003eFully Adjustable with ThunderMax Tuning Software\u003c\/h3\u003e\n\u003cp\u003eWith \u003cstrong\u003eThunderMax tuning software\u003c\/strong\u003e, you have the ability to fully customize the ECM to suit your riding style and preferences. The software offers detailed adjustments to fine-tune your Harley’s performance, ensuring the highest level of precision and control. Whether you're a professional tuner or a DIY enthusiast, ThunderMax gives you the flexibility to perfect your bike’s fuel map.\u003c\/p\u003e\n\u003ch3\u003eQuick Setup with Pre-Configured Basemap\u003c\/h3\u003e\n\u003cp\u003eIf you prefer a more straightforward approach, ThunderMax allows you to use a \u003cstrong\u003epre-configured basemap\u003c\/strong\u003e for quick and easy setup. This option allows you to experience improved performance without the need for advanced tuning. However, you can always make adjustments later as you learn more about your bike’s needs.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose ThunderMax for Your Harley Davidson®?\u003c\/h2\u003e\n\u003cp\u003eThunderMax is the ideal \u003cstrong\u003eperformance ECM\u003c\/strong\u003e for riders seeking \u003cstrong\u003eunmatched performance\u003c\/strong\u003e, \u003cstrong\u003eeasy installation\u003c\/strong\u003e, and \u003cstrong\u003eadvanced fuel control\u003c\/strong\u003e. With features like \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e, \u003cstrong\u003ewide-band O2 sensors\u003c\/strong\u003e, and \u003cstrong\u003ebarometric compensation\u003c\/strong\u003e, ThunderMax offers a hassle-free and reliable solution for improving your Harley Davidson®’s performance.\u003c\/p\u003e\n\u003ch2\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/309-588_20_20_20_20P1_20_20_20Installation_20V2016.10.18-5-compressed.pdf?v=1738256051\"\u003eInstallation Instructions\u003c\/a\u003e\u003c\/h2\u003e\n\u003cdiv class=\"productdesc\"\u003e\n\u003cp\u003e\u003ca rel=\"noopener noreferrer\" title=\"ThunderMax Emissions Notice\" href=\"https:\/\/store.thunder-max.com\/pages\/thundermax-emissions-notice\" target=\"_blank\"\u003eEmissions Notice\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis product is intended for \"RACE READY\" vehicles only and is not for sale or use on vehicles otherwise subject to emission control requirements.  In the state of California, this product should not be used on any vehicle that is registered for use on public roads. Please view the ThunderMax 50 application guide for \"STREET APPROVED\" \u0026amp; ARB compliant products.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003ePart Number\u003cstrong\u003e:\u003c\/strong\u003e \u003cstrong\u003e309-362\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e2011–2013 FLTRU Road Glide Ultra\u003cbr data-start=\"150\" data-end=\"153\"\u003e2011–2013 FLTRX Road Glide Custom\u003cbr data-start=\"186\" data-end=\"189\" data-is-only-node=\"\"\u003e2010–2013 FLHTK Electra Glide Ultra Limited\u003cbr data-start=\"232\" data-end=\"235\"\u003e2010–2011 FLHXXX Street Glide Trike\u003cbr data-start=\"270\" data-end=\"273\"\u003e2009–2013 FLHTCUTG Tri Glide Ultra\u003cbr data-start=\"307\" data-end=\"310\"\u003e2008–2013 FLHR Road King\u003cbr data-start=\"334\" data-end=\"337\"\u003e2008–2013 FLHRC Road King Classic\u003cbr data-start=\"370\" data-end=\"373\"\u003e2008–2013 FLHTC Electra Glide Classic\u003cbr data-start=\"410\" data-end=\"413\"\u003e2008–2013 FLHTCU Electra Glide Ultra Classic\u003cbr data-start=\"457\" data-end=\"460\"\u003e2008–2013 FLHX Street Glide\u003cbr data-start=\"487\" data-end=\"490\"\u003e2008–2010 FLTR Road Glide\u003cbr data-start=\"515\" data-end=\"518\"\u003e2008–2009 FLHT Electra Glide Standard\u003c\/p\u003e","brand":"Drag Specialties","offers":[{"title":"Default Title","offer_id":49391730098423,"sku":"106415","price":1088.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/image_3926bcda-1d95-45ce-9d3d-01c89903457b.jpg?v=1769801438"},{"product_id":"thundermax-for-02-07-touring®-models","title":"ThunderMax ECM for 2002-2007 Bagger Models","description":"\u003ch1 style=\"text-align: center;\"\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/cVcV2mdruek?si=gNXA1j4m-M5bdwz0\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/h1\u003e\n\u003ch1\u003e02-07 Harley Davidson bagger tuner by ThunderMax ECM: The Ultimate Performance Upgrade.\u003c\/h1\u003e\n\u003ch2\u003eEnhance Your Harley’s Performance with ThunderMax ECM\u003c\/h2\u003e\n\u003cp\u003eThunderMax is an \u003cstrong\u003eaward-winning performance ECM\u003c\/strong\u003e designed specifically for \u003cstrong\u003eEFI-equipped Harley Davidson® motorcycles\u003c\/strong\u003e. This advanced \u003cstrong\u003estand-alone tuning system\u003c\/strong\u003e integrates \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e and \u003cstrong\u003ewide-band oxygen sensors\u003c\/strong\u003e to provide unparalleled performance, smooth rideability, and precise engine control. ThunderMax allows riders to easily upgrade their Harley’s fueling system for optimized performance without the need for complex modifications.\u003c\/p\u003e\n\u003ch2\u003eKey Features of ThunderMax ECM for Harley Davidson®\u003c\/h2\u003e\n\u003ch3\u003eQuick and Easy Installation with No Wire Cutting\u003c\/h3\u003e\n\u003cp\u003eThunderMax comes \u003cstrong\u003e100% pre-assembled\u003c\/strong\u003e, ready for a quick, hassle-free installation. There’s no need for \u003cstrong\u003ewire cutting or splicing\u003c\/strong\u003e—simply replace the factory ECM and oxygen sensors, load your preferred map, and you're good to go. Whether you're a seasoned mechanic or a weekend warrior, ThunderMax’s simple installation process makes it easy for anyone to enhance their Harley’s performance.\u003c\/p\u003e\n\u003ch3\u003eAutoTune Technology for Real-Time Fueling Adjustments\u003c\/h3\u003e\n\u003cp\u003eThunderMax utilizes \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e and \u003cstrong\u003ewide-band O2 sensors\u003c\/strong\u003e to continuously adjust your bike’s fueling at every \u003cstrong\u003e1.5 degrees of throttle\u003c\/strong\u003e and \u003cstrong\u003e256 RPM\u003c\/strong\u003e. This provides real-time fueling adjustments for \u003cstrong\u003eoptimal performance\u003c\/strong\u003e and smoother engine operation. Whether you're cruising on the highway or navigating through city streets, ThunderMax ensures your engine runs at peak efficiency across a wide range of riding conditions.\u003c\/p\u003e\n\u003ch3\u003eBarometric Sensor for Consistent Fueling\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003ebuilt-in barometric sensor\u003c\/strong\u003e in the ThunderMax ECM automatically compensates for \u003cstrong\u003eambient air changes\u003c\/strong\u003e such as altitude or weather conditions. This means your bike’s performance remains consistent regardless of your surroundings. The \u003cstrong\u003ewide-band O2 sensors\u003c\/strong\u003e continuously monitor the \u003cstrong\u003eair-fuel ratio\u003c\/strong\u003e, offering real-time feedback to the ECM and adjusting fueling without the need for manual intervention.\u003c\/p\u003e\n\u003ch2\u003eThunderMax Tuning Software: Full Customization at Your Fingertips\u003c\/h2\u003e\n\u003ch3\u003eFully Adjustable Performance with ThunderMax Tuning Software\u003c\/h3\u003e\n\u003cp\u003eThunderMax is \u003cstrong\u003efully customizable\u003c\/strong\u003e through the ThunderMax Tuning Software, allowing you to fine-tune your ECM to your specific performance needs. With this software, you can make detailed adjustments to the air-fuel ratio, ignition timing, and other critical parameters to get the most out of your Harley. Whether you're aiming for better fuel efficiency, more power, or a smoother throttle response, ThunderMax gives you complete control.\u003c\/p\u003e\n\u003ch3\u003eSimple Setup with Pre-Configured Basemap\u003c\/h3\u003e\n\u003cp\u003eFor those who prefer a quick and easy setup, ThunderMax allows you to simply \u003cstrong\u003eload a pre-configured basemap\u003c\/strong\u003e. This basemap offers a solid foundation for your bike’s fueling, delivering noticeable improvements in performance right out of the box. Once you're ready, you can dive deeper into more advanced adjustments using the ThunderMax Tuning Software.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose ThunderMax for Your Harley Davidson®?\u003c\/h2\u003e\n\u003cp\u003eThunderMax offers a \u003cstrong\u003epowerful, reliable ECM solution\u003c\/strong\u003e for riders who want to optimize their \u003cstrong\u003eEFI Harley Davidson® motorcycle’s performance\u003c\/strong\u003e. With \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e, \u003cstrong\u003ereal-time fueling adjustments\u003c\/strong\u003e, and \u003cstrong\u003eeasy installation\u003c\/strong\u003e, ThunderMax is the ideal upgrade for riders seeking \u003cstrong\u003esmoother performance\u003c\/strong\u003e, \u003cstrong\u003egreater control\u003c\/strong\u003e, and \u003cstrong\u003ebetter rideability\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/309-588_20_20_20_20P1_20_20_20Installation_20V2016.10.18-5-compressed.pdf?v=1738256051\"\u003eInstallation Instructions\u003c\/a\u003e\u003c\/h2\u003e\n\u003cdiv class=\"text-center\"\u003e\n\u003cdiv class=\"product-description rte\"\u003e\n\u003cdiv class=\"productdesc\"\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/store.thunder-max.com\/pages\/thundermax-emissions-notice\" title=\"ThunderMax Emissions Notice\" target=\"_blank\"\u003eEmissions Notice\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis product is intended for \"RACE READY\" vehicles only and is not for sale or use on vehicles otherwise subject to emission control requirements.  In the state of California, this product should not be used on any vehicle that is registered for use on public roads. Please view the ThunderMax 50 application guide for \"STREET APPROVED\" \u0026amp; ARB compliant products.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number: 309-460\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e2007 FLHR Road King\u003cbr data-start=\"203\" data-end=\"206\"\u003e2007 FLHRS Road King Custom\u003cbr data-start=\"233\" data-end=\"236\"\u003e2007 FLHT Electra Glide Standard\u003cbr data-start=\"268\" data-end=\"271\"\u003e2007 FLHTC Electra Glide Classic\u003cbr data-start=\"303\" data-end=\"306\"\u003e2007 FLHTCU Electra Glide Ultra Classic\u003cbr data-start=\"345\" data-end=\"348\"\u003e2007 FLHX Street Glide\u003cbr data-start=\"370\" data-end=\"373\"\u003e2007 FLTR Road Glide\u003cbr data-start=\"393\" data-end=\"396\"\u003e2006 FLHXI Street Glide\u003cbr data-start=\"419\" data-end=\"422\"\u003e2004–2006 FLHRSI Road King Custom\u003cbr data-start=\"455\" data-end=\"458\"\u003e2003–2006 FLHTI Electra Glide Standard\u003cbr data-start=\"496\" data-end=\"499\"\u003e2002–2006 FLTRI Road Glide\u003cbr data-start=\"525\" data-end=\"528\"\u003e2002–2006 FLHRCI Road King Classic\u003cbr data-start=\"562\" data-end=\"565\"\u003e2002–2006 FLHTCI Electra Glide Classic\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Drag Specialties","offers":[{"title":"Default Title","offer_id":49391761326327,"sku":"106416","price":1088.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/image_54317b3d-4184-4396-9b0d-5c9724d9e119.jpg?v=1769801693"},{"product_id":"thundermax-for-2021-2024-softail®-models","title":"ThunderMax for 2021 - 2024 Softail® Models","description":"\u003ch1 style=\"text-align: center;\"\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/cVcV2mdruek?si=gNXA1j4m-M5bdwz0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/h1\u003e\n\u003ch1\u003e2021 - 2024 Harley Davidson Softail Tuner by ThunderMax ECM. \u003c\/h1\u003e\n\u003ch2\u003eWhat is ThunderMax ECM?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThunderMax\u003c\/strong\u003e is an award-winning \u003cstrong\u003eperformance ECM\u003c\/strong\u003e (Engine Control Module) designed specifically for \u003cstrong\u003eEFI-equipped Harley Davidson® motorcycles\u003c\/strong\u003e. This cutting-edge, stand-alone tuning system utilizes \u003cstrong\u003eAutoTune technology\u003c\/strong\u003ealong with \u003cstrong\u003ewide-band oxygen sensors\u003c\/strong\u003e to provide \u003cstrong\u003eunmatched performance\u003c\/strong\u003e and \u003cstrong\u003erideability\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eWhether you're looking to improve throttle response, engine smoothness, or overall bike performance, ThunderMax offers a complete solution that enhances your riding experience. It is \u003cstrong\u003e100% assembled\u003c\/strong\u003e and ready to install, so you can enjoy enhanced performance without the hassle of complicated setups or wiring modifications.\u003c\/p\u003e\n\u003ch3\u003eKey Features of ThunderMax ECM:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutoTune Technology\u003c\/strong\u003e for automatic fuel adjustments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide-band O2 sensors\u003c\/strong\u003e for precise air-fuel ratio control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo wire cutting or splicing\u003c\/strong\u003e required for installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully assembled\u003c\/strong\u003e and ready to install\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable\u003c\/strong\u003e with ThunderMax tuning software or by loading a basemap\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eEffortless Installation for Instant Performance Boost\u003c\/h2\u003e\n\u003cp\u003eThunderMax ECM comes \u003cstrong\u003ecompletely assembled\u003c\/strong\u003e, meaning it’s ready for a \u003cstrong\u003esimple, hassle-free installation\u003c\/strong\u003e. There is no need for complex wire cutting or splicing—just replace your \u003cstrong\u003efactory ECM\u003c\/strong\u003e and \u003cstrong\u003eoxygen sensors\u003c\/strong\u003e, load a map, and you're good to go! It’s an easy way to upgrade your Harley Davidson® without any technical headaches.\u003c\/p\u003e\n\u003ch3\u003eThunderMax ECM Installation Process:\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\u003cstrong\u003eRemove your factory ECM and oxygen sensors.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall the ThunderMax ECM and wide-band O2 sensors\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad your chosen map\u003c\/strong\u003e to enhance your engine's performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnjoy a smoother, more responsive ride\u003c\/strong\u003e with improved throttle control and overall engine efficiency.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eReal-Time Auto-Tuning for Smooth Engine Performance\u003c\/h2\u003e\n\u003cp\u003eThunderMax uses \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e to automatically adjust fueling every \u003cstrong\u003e256 RPM\u003c\/strong\u003e and at every \u003cstrong\u003edegree and a half of throttle\u003c\/strong\u003e. This dynamic system ensures that your engine runs \u003cstrong\u003esmoother\u003c\/strong\u003e and performs better across a wide range of conditions.\u003c\/p\u003e\n\u003cp\u003eWith the built-in \u003cstrong\u003ebarometric sensor\u003c\/strong\u003e, ThunderMax automatically compensates for changes in \u003cstrong\u003eambient air pressure\u003c\/strong\u003e, meaning you don't have to manually adjust settings for changes in weather or altitude. The \u003cstrong\u003ewide-band O2 sensors\u003c\/strong\u003econtinuously monitor the \u003cstrong\u003eair-fuel ratio\u003c\/strong\u003e and provide \u003cstrong\u003ereal-time feedback\u003c\/strong\u003e to the ECM, ensuring that the engine is always operating at optimal performance levels.\u003c\/p\u003e\n\u003ch3\u003eBenefits of ThunderMax ECM's Auto-Tuning:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic fueling adjustments\u003c\/strong\u003e at every 256 RPM for smoother performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time air-fuel ratio feedback\u003c\/strong\u003e via wide-band O2 sensors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarometric sensor\u003c\/strong\u003e automatically compensates for weather changes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo need to manually approve changes\u003c\/strong\u003e—once you turn the bike off, all adjustments are saved\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eThunderMax ECM: Fully Adjustable for Custom Tuning\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e is designed to offer \u003cstrong\u003emaximum flexibility\u003c\/strong\u003e in tuning your Harley Davidson®. You can use \u003cstrong\u003eThunderMax tuning software\u003c\/strong\u003e to make detailed adjustments to the ECM, ensuring it fits your exact riding style and preferences. If you prefer a more straightforward approach, simply load a \u003cstrong\u003ebasemap\u003c\/strong\u003e and let the ECM automatically optimize the engine's performance.\u003c\/p\u003e\n\u003ch3\u003eThunderMax Customization Options:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully adjustable\u003c\/strong\u003e via ThunderMax tuning software\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-loaded basemaps\u003c\/strong\u003e for a quick and easy setup\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive tuning options\u003c\/strong\u003e for riders who want full control\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eThunderMax ECM: The Perfect Upgrade for EFI Harley Davidson® Motorcycles\u003c\/h2\u003e\n\u003cp\u003eWhether you're looking for smoother throttle response, better fuel efficiency, or improved overall engine performance, the \u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e is the perfect solution for \u003cstrong\u003eEFI-equipped Harley Davidson® motorcycles\u003c\/strong\u003e. Designed to meet the demands of performance enthusiasts, ThunderMax delivers a ride that is more responsive, smoother, and more powerful.\u003c\/p\u003e\n\u003ch3\u003eWhy Choose ThunderMax ECM?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior performance\u003c\/strong\u003e with automatic fuel adjustments for every throttle change\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmoother engine operation\u003c\/strong\u003e with real-time air-fuel ratio tuning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy installation\u003c\/strong\u003e with no wire-cutting or splicing required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomizable\u003c\/strong\u003e tuning options to suit your unique riding style\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpgrade your bike today with the \u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e and enjoy a \u003cstrong\u003emore powerful, responsive\u003c\/strong\u003e, and \u003cstrong\u003esmoother\u003c\/strong\u003e riding experience. Whether you’re cruising on the open road or navigating city streets, ThunderMax ensures your Harley Davidson® performs at its peak.\u003c\/p\u003e\n\u003ch2\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/309-588_20_20_20_20P1_20_20_20Installation_20V2016.10.18-5-compressed.pdf?v=1738256051\"\u003eInstallation Instructions\u003c\/a\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003ca title=\"ThunderMax Emissions Notice\" href=\"https:\/\/store.thunder-max.com\/pages\/thundermax-emissions-notice\" target=\"_blank\"\u003eEmissions Notice\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis product is intended for \"RACE READY\" vehicles only and is not for sale or use on vehicles otherwise subject to emission control requirements.  In the state of California, this product should not be used on any vehicle that is registered for use on public roads. Please view the ThunderMax 50 application guide for \"STREET APPROVED\" \u0026amp; ARB compliant products.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote: Models equipped with Traction Control please email \u003ca href=\"mailto:support@thunder-max.com\"\u003e\u003cspan\u003eSupport\u003c\/span\u003e \u003c\/a\u003eprior to installation for proper firmware download. \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003ePart Number: 309-592\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Drag Specialties","offers":[{"title":"Default Title","offer_id":49392813080823,"sku":"106417","price":1088.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/Screenshot2025-01-31at1.24.52AM.png?v=1738315506"},{"product_id":"thundermax-for-2001-2010-softail®-models","title":"ThunderMax ECM for 2001-2010 Softail Models","description":"\u003ch1 style=\"text-align: center;\"\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/cVcV2mdruek?si=gNXA1j4m-M5bdwz0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/h1\u003e\n\u003ch1\u003e2001 - 2010 Harley Davidson Softail Tuner by ThunderMax ECM: The Ultimate Performance Upgrade.\u003c\/h1\u003e\n\u003ch2\u003eWhat is ThunderMax ECM?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e is an \u003cstrong\u003eaward-winning performance engine control module\u003c\/strong\u003e designed specifically for \u003cstrong\u003eEFI-equipped Harley Davidson® motorcycles\u003c\/strong\u003e. This \u003cstrong\u003estand-alone tuning system\u003c\/strong\u003e uses proprietary \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e combined with \u003cstrong\u003ewide-band oxygen sensors\u003c\/strong\u003e to deliver \u003cstrong\u003eexceptional performance\u003c\/strong\u003e and \u003cstrong\u003eunmatched rideability\u003c\/strong\u003e. With ThunderMax, you can instantly enhance your bike’s throttle response, fuel efficiency, and overall engine smoothness.\u003c\/p\u003e\n\u003ch3\u003eKey Features of ThunderMax ECM:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAward-winning performance\u003c\/strong\u003e and advanced tuning technology\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutoTune technology\u003c\/strong\u003e for automatic, real-time fuel adjustments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide-band oxygen sensors\u003c\/strong\u003e for precise air-fuel ratio management\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo wire-cutting or splicing\u003c\/strong\u003e required for installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully assembled\u003c\/strong\u003e and ready to install for easy setup\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eEasy Installation for Immediate Performance Gains\u003c\/h2\u003e\n\u003cp\u003eThunderMax ECM comes \u003cstrong\u003e100% assembled\u003c\/strong\u003e, so you can start enjoying enhanced performance right away. There's no need for complicated wiring, wire-cutting, or splicing—just \u003cstrong\u003ereplace your factory ECM and oxygen sensors\u003c\/strong\u003e, load your map, and hit the road with a smoother, more responsive ride.\u003c\/p\u003e\n\u003ch3\u003eHow to Install ThunderMax ECM:\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove the factory ECM\u003c\/strong\u003e and \u003cstrong\u003eoxygen sensors\u003c\/strong\u003e from your bike.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall the ThunderMax ECM\u003c\/strong\u003e and \u003cstrong\u003ewide-band oxygen sensors\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad your preferred map\u003c\/strong\u003e (or use the pre-loaded basemap) for automatic tuning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnjoy a smoother, more powerful ride\u003c\/strong\u003e with no hassle.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eAutoTune Technology for Precise Fuel Management\u003c\/h2\u003e\n\u003cp\u003eThunderMax ECM uses \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e to \u003cstrong\u003eautomatically adjust fueling\u003c\/strong\u003e every \u003cstrong\u003e256 RPM\u003c\/strong\u003e and at every \u003cstrong\u003edegree and a half of throttle\u003c\/strong\u003e. This ensures \u003cstrong\u003esmooth throttle response\u003c\/strong\u003e and consistent engine performance, no matter the riding conditions.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003ebarometric sensor\u003c\/strong\u003e built into the system constantly adjusts for \u003cstrong\u003eambient air pressure changes\u003c\/strong\u003e, allowing you to ride confidently without worrying about altitude or weather changes. Additionally, the \u003cstrong\u003ewide-band oxygen sensors\u003c\/strong\u003e provide live, \u003cstrong\u003ereal-time feedback\u003c\/strong\u003e to the ECM, making sure your bike is always running at peak performance.\u003c\/p\u003e\n\u003ch3\u003eThunderMax ECM Benefits:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic fueling adjustments\u003c\/strong\u003e at every 256 RPM for smoother engine operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time feedback\u003c\/strong\u003e from wide-band O2 sensors ensures optimal air-fuel ratio\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarometric sensor\u003c\/strong\u003e adapts the system to changes in weather or altitude automatically\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo manual confirmation\u003c\/strong\u003e needed—once you turn off the ignition, the changes are saved\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFully Adjustable for Custom Performance Tuning\u003c\/h2\u003e\n\u003cp\u003eThunderMax ECM is designed to be \u003cstrong\u003efully adjustable\u003c\/strong\u003e, allowing you to fine-tune your bike’s performance to match your riding style. Whether you’re a seasoned pro who wants complete control over your bike's settings or a beginner looking for an easy upgrade, ThunderMax offers both \u003cstrong\u003eadvanced tuning software\u003c\/strong\u003e for detailed customization and the option to load a \u003cstrong\u003ebasemap\u003c\/strong\u003e for instant optimization.\u003c\/p\u003e\n\u003ch3\u003eCustomization Options with ThunderMax ECM:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully adjustable\u003c\/strong\u003e using ThunderMax tuning software for advanced riders\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-loaded basemaps\u003c\/strong\u003e for quick setup and automatic tuning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete control\u003c\/strong\u003e over your bike’s air-fuel ratio and engine performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eThunderMax ECM: A Perfect Upgrade for Your Harley Davidson®\u003c\/h2\u003e\n\u003cp\u003eThunderMax ECM is the ideal performance upgrade for your \u003cstrong\u003eEFI-equipped Harley Davidson® motorcycle\u003c\/strong\u003e, delivering the best of both worlds: \u003cstrong\u003eeffortless installation\u003c\/strong\u003e and \u003cstrong\u003ecustomizable tuning\u003c\/strong\u003e. Whether you’re looking for improved engine smoothness, better fuel efficiency, or enhanced throttle control, ThunderMax ensures you get the best performance possible.\u003c\/p\u003e\n\u003ch3\u003eWhy Choose ThunderMax ECM?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced throttle response\u003c\/strong\u003e for a more enjoyable ride\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmooth, consistent engine performance\u003c\/strong\u003e under all conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick and easy installation\u003c\/strong\u003e with no cutting or splicing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomizable\u003c\/strong\u003e to fit your personal riding preferences\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpgrade your ride today with the \u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e and experience the ultimate in \u003cstrong\u003eengine control\u003c\/strong\u003e, \u003cstrong\u003eperformance tuning\u003c\/strong\u003e, and \u003cstrong\u003erideability\u003c\/strong\u003e for your \u003cstrong\u003eHarley Davidson® motorcycle\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/309-588_20_20_20_20P1_20_20_20Installation_20V2016.10.18-5-compressed.pdf?v=1738256051\"\u003eInstallation Instructions\u003c\/a\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003ca title=\"ThunderMax Emissions Notice\" href=\"https:\/\/store.thunder-max.com\/pages\/thundermax-emissions-notice\" target=\"_blank\"\u003eEmissions Notice\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis product is intended for \"RACE READY\" vehicles only and is not for sale or use on vehicles otherwise subject to emission control requirements.  In the state of California, this product should not be used on any vehicle that is registered for use on public roads. Please view the ThunderMax 50 application guide for \"STREET APPROVED\" \u0026amp; ARB compliant products.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePart Number:\u003cstrong\u003e 309-460\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch6 class=\"productcode\"\u003e\u003cbr\u003e\u003c\/h6\u003e","brand":"Drag Specialties","offers":[{"title":"Default Title","offer_id":49392821469431,"sku":"106416","price":1088.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/image_88d45f99-aaab-422f-85a3-28f90bd11a80.jpg?v=1771017577"},{"product_id":"thundermax-for-2018-2020-softail®-models","title":"ThunderMax ECM for 2018-2020 Softail Models","description":"\u003ch1 style=\"text-align: center;\"\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/cVcV2mdruek?si=gNXA1j4m-M5bdwz0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/h1\u003e\n\u003ch1\u003eThunderMax ECM: Performance Tuning for M8 Softail EFI Harley Davidson® Motorcycles\u003c\/h1\u003e\n\u003ch2\u003eWhat is ThunderMax ECM?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThunderMax\u003c\/strong\u003e is an \u003cstrong\u003eaward-winning performance ECM (Engine Control Module)\u003c\/strong\u003e designed specifically for \u003cstrong\u003eEFI-equipped Harley Davidson® motorcycles\u003c\/strong\u003e. This highly advanced, stand-alone tuning system utilizes \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e and \u003cstrong\u003ewide-band oxygen sensors\u003c\/strong\u003e to deliver \u003cstrong\u003eunmatched performance\u003c\/strong\u003e, \u003cstrong\u003erideability\u003c\/strong\u003e, and \u003cstrong\u003eefficiency\u003c\/strong\u003e. ThunderMax is engineered to provide superior throttle response, smoother engine operation, and optimized fuel management for an enhanced riding experience.\u003c\/p\u003e\n\u003ch3\u003eKey Features of ThunderMax ECM:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutoTune technology\u003c\/strong\u003e for automatic fuel adjustments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide-band oxygen sensors\u003c\/strong\u003e for precise air-fuel ratio control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo wire cutting or splicing\u003c\/strong\u003e required—easy, plug-and-play installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% assembled\u003c\/strong\u003e and ready to install\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time feedback\u003c\/strong\u003e for continuous engine optimization\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eEffortless Installation for Immediate Performance Gains\u003c\/h2\u003e\n\u003cp\u003eThunderMax ECM comes \u003cstrong\u003ecompletely assembled\u003c\/strong\u003e, eliminating the need for wire cutting, splicing, or complicated modifications. With this easy-to-install system, you can replace your \u003cstrong\u003efactory ECM\u003c\/strong\u003e and \u003cstrong\u003eoxygen sensors\u003c\/strong\u003e, load a \u003cstrong\u003epre-programmed map\u003c\/strong\u003e, and instantly enjoy smoother throttle response and improved engine performance.\u003c\/p\u003e\n\u003ch3\u003eThunderMax ECM Installation Steps:\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplace your factory ECM\u003c\/strong\u003e and \u003cstrong\u003eoxygen sensors\u003c\/strong\u003e with ThunderMax components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad a map\u003c\/strong\u003e (or use the provided basemap) for automatic tuning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnjoy a smoother, more responsive ride\u003c\/strong\u003e with enhanced performance right out of the box.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eAutoTune Technology for Seamless Engine Tuning\u003c\/h2\u003e\n\u003cp\u003eThe ThunderMax ECM stands out for its \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e, which automatically adjusts fueling at every \u003cstrong\u003e256 RPM\u003c\/strong\u003eand at \u003cstrong\u003eevery degree and a half of throttle\u003c\/strong\u003e. This real-time fueling adjustment allows for a \u003cstrong\u003esmoother engine\u003c\/strong\u003e and \u003cstrong\u003ebetter control\u003c\/strong\u003e while riding.\u003c\/p\u003e\n\u003cp\u003eAdditionally, the \u003cstrong\u003ebarometric sensor\u003c\/strong\u003e ensures that changes in \u003cstrong\u003eambient air pressure\u003c\/strong\u003e are automatically compensated for, meaning you don’t need to adjust the system manually based on changing weather or altitude conditions. The \u003cstrong\u003ewide-band O2 sensors\u003c\/strong\u003e provide constant feedback to the ECM, allowing for continuous optimization of the air-fuel ratio, ensuring your engine runs at peak efficiency.\u003c\/p\u003e\n\u003ch3\u003eBenefits of ThunderMax AutoTune:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic fueling adjustments\u003c\/strong\u003e for smoother performance at all throttle levels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time air-fuel ratio feedback\u003c\/strong\u003e for optimal engine performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarometric sensor\u003c\/strong\u003e automatically compensates for atmospheric changes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo manual adjustments\u003c\/strong\u003e needed—once the bike powers off, changes are automatically saved\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFull Adjustability with ThunderMax Tuning Software\u003c\/h2\u003e\n\u003cp\u003eThunderMax ECM is designed to be \u003cstrong\u003efully adjustable\u003c\/strong\u003e, offering flexibility to riders who want to fine-tune their bike’s performance. You can use the \u003cstrong\u003eThunderMax tuning software\u003c\/strong\u003e to make detailed adjustments to the engine control settings, or you can simply load a \u003cstrong\u003ebasemap\u003c\/strong\u003e and let the system do the work.\u003c\/p\u003e\n\u003cp\u003eThis flexibility allows you to customize your ride, whether you're looking for specific power gains or aiming to achieve better fuel economy.\u003c\/p\u003e\n\u003ch3\u003eCustomization Options:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThunderMax tuning software\u003c\/strong\u003e for detailed, manual adjustments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-loaded basemaps\u003c\/strong\u003e for quick and easy tuning with automatic adjustments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull control\u003c\/strong\u003e over fueling, throttle response, and engine performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose ThunderMax ECM for Your Harley Davidson®?\u003c\/h2\u003e\n\u003cp\u003eThunderMax ECM provides the ultimate performance tuning solution for \u003cstrong\u003eEFI-equipped Harley Davidson® motorcycles\u003c\/strong\u003e. Whether you want \u003cstrong\u003eimproved throttle response\u003c\/strong\u003e, \u003cstrong\u003esmoother engine operation\u003c\/strong\u003e, or \u003cstrong\u003ebetter fuel efficiency\u003c\/strong\u003e, ThunderMax ensures that your bike performs at its best under all conditions.\u003c\/p\u003e\n\u003ch3\u003eWhy Upgrade to ThunderMax ECM?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced throttle response\u003c\/strong\u003e for a more responsive ride\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic fueling adjustments\u003c\/strong\u003e for optimal engine performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy installation\u003c\/strong\u003e with no wire-cutting or splicing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomizable tuning options\u003c\/strong\u003e for personalized engine control\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpgrade your \u003cstrong\u003eHarley Davidson®\u003c\/strong\u003e with the \u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e and experience \u003cstrong\u003eimproved rideability\u003c\/strong\u003e, \u003cstrong\u003esmoother performance\u003c\/strong\u003e, and \u003cstrong\u003epeak engine efficiency\u003c\/strong\u003e. Whether you're cruising on the open road or navigating city streets, ThunderMax ensures your motorcycle delivers top-tier performance every time you twist the throttle.\u003c\/p\u003e\n\u003ch2\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/309-588_20_20_20_20P1_20_20_20Installation_20V2016.10.18-5-compressed.pdf?v=1738256051\"\u003eInstallation Instructions\u003c\/a\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003ca title=\"ThunderMax Emissions Notice\" href=\"https:\/\/store.thunder-max.com\/pages\/thundermax-emissions-notice\" target=\"_blank\"\u003eEmissions Notice\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis product is intended for \"RACE READY\" vehicles only and is not for sale or use on vehicles otherwise subject to emission control requirements.  In the state of California, this product should not be used on any vehicle that is registered for use on public roads. Please view the ThunderMax 50 application guide for \"STREET APPROVED\" \u0026amp; ARB compliant products\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003ePart Number:\u003cstrong\u003e 309-589\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Drag Specialties","offers":[{"title":"Default Title","offer_id":49392828088567,"sku":"106418","price":1088.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/image_40952353-dee5-4c02-99d1-eb3917c609da.jpg?v=1771019259"},{"product_id":"thundermax-for-2012-2015-softail®-models","title":"ThunderMax for 2012 - 2015 Softail® Models","description":"\u003ch1 style=\"text-align: center;\"\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/cVcV2mdruek?si=gNXA1j4m-M5bdwz0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/h1\u003e\n\u003ch1\u003eThunderMax Tuner for 2012-2015 M8 Softail Harley Davidson® Motorcycles\u003c\/h1\u003e\n\u003ch2\u003eWhat is ThunderMax ECM?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e is an \u003cstrong\u003eaward-winning, high-performance engine control module (ECM)\u003c\/strong\u003e specifically designed for \u003cstrong\u003eEFI-equipped Harley Davidson® motorcycles\u003c\/strong\u003e. This advanced \u003cstrong\u003estand-alone tuning system\u003c\/strong\u003e utilizes \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e and \u003cstrong\u003ewide-band oxygen sensors\u003c\/strong\u003e to optimize your bike's \u003cstrong\u003eperformance\u003c\/strong\u003e and \u003cstrong\u003erideability\u003c\/strong\u003e. It is the ideal solution for Harley Davidson® owners looking to achieve smoother throttle response, improved engine efficiency, and overall performance enhancement.\u003c\/p\u003e\n\u003ch3\u003eKey Features of ThunderMax ECM:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutoTune technology\u003c\/strong\u003e for automatic fuel management\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide-band oxygen sensors\u003c\/strong\u003e for precise air-fuel ratio adjustments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo wire cutting or splicing\u003c\/strong\u003e required—simple installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% assembled\u003c\/strong\u003e and ready for installation right out of the box\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time feedback\u003c\/strong\u003e to optimize engine performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eEasy Installation for Instant Performance Enhancement\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e comes \u003cstrong\u003epre-assembled\u003c\/strong\u003e and ready to install, meaning you can quickly upgrade your Harley Davidson® with no complex wiring or modifications. Simply replace your \u003cstrong\u003efactory ECM\u003c\/strong\u003e and \u003cstrong\u003eoxygen sensors\u003c\/strong\u003e, load your desired map, and you’re ready to experience \u003cstrong\u003eimproved throttle response\u003c\/strong\u003e, \u003cstrong\u003esmoother engine performance\u003c\/strong\u003e, and \u003cstrong\u003eoptimal fuel efficiency\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eThunderMax ECM Installation Process:\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove the factory ECM\u003c\/strong\u003e and \u003cstrong\u003eoxygen sensors\u003c\/strong\u003e from your motorcycle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall the ThunderMax ECM\u003c\/strong\u003e and connect the \u003cstrong\u003ewide-band oxygen sensors\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad your map\u003c\/strong\u003e (or use the pre-programmed basemap) to begin automatic tuning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStart riding\u003c\/strong\u003e and enjoy smoother, more responsive performance!\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eAutoTune Technology for Precise Fuel Management\u003c\/h2\u003e\n\u003cp\u003eThunderMax ECM features \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e, which automatically adjusts the air-fuel ratio at every \u003cstrong\u003e256 RPM\u003c\/strong\u003e and for every \u003cstrong\u003edegree and a half of throttle\u003c\/strong\u003e. This \u003cstrong\u003eautomatic fueling adjustment\u003c\/strong\u003e ensures your engine operates smoothly and efficiently under all riding conditions.\u003c\/p\u003e\n\u003cp\u003eThe system also includes a \u003cstrong\u003ebuilt-in barometric sensor\u003c\/strong\u003e, which compensates for any changes in \u003cstrong\u003eambient air pressure\u003c\/strong\u003e, so you don’t have to manually adjust for changes in weather or altitude. The \u003cstrong\u003ewide-band O2 sensors\u003c\/strong\u003e provide live, \u003cstrong\u003ereal-time feedback\u003c\/strong\u003e to the ECM, ensuring your motorcycle’s engine is always running at peak performance.\u003c\/p\u003e\n\u003ch3\u003eBenefits of AutoTune with ThunderMax ECM:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic fueling adjustments\u003c\/strong\u003e every 256 RPM and degree-and-a-half throttle for smoother performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time feedback\u003c\/strong\u003e from wide-band oxygen sensors for precise air-fuel ratio control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarometric sensor\u003c\/strong\u003e for automatic compensation based on changes in weather or altitude\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo manual changes\u003c\/strong\u003e needed—once you turn off your bike, the adjustments are saved\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFully Adjustable Tuning for Custom Performance\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e is designed to be \u003cstrong\u003efully adjustable\u003c\/strong\u003e, offering the flexibility to fine-tune your bike’s performance based on your specific riding preferences. You can use \u003cstrong\u003eThunderMax tuning software\u003c\/strong\u003e to make advanced adjustments to fueling and engine settings, or you can simply load a \u003cstrong\u003ebasemap\u003c\/strong\u003e for quick and automatic tuning.\u003c\/p\u003e\n\u003cp\u003eWhether you’re an experienced rider looking for more control or someone who wants a simple solution for better performance, ThunderMax offers both options to meet your needs.\u003c\/p\u003e\n\u003ch3\u003eCustomization Options:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThunderMax tuning software\u003c\/strong\u003e for advanced customization and fine-tuning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-loaded basemaps\u003c\/strong\u003e for instant tuning with automatic adjustments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull control\u003c\/strong\u003e over fueling, air-fuel ratio, and engine performance settings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose ThunderMax ECM for Your Harley Davidson®?\u003c\/h2\u003e\n\u003cp\u003eIf you're looking for a \u003cstrong\u003eperformance upgrade\u003c\/strong\u003e for your \u003cstrong\u003eEFI-equipped Harley Davidson® motorcycle\u003c\/strong\u003e, the \u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e is the perfect solution. Designed to improve engine performance, smooth out throttle response, and enhance overall rideability, ThunderMax delivers the ultimate in \u003cstrong\u003eperformance tuning\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eWhy Upgrade to ThunderMax ECM?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced throttle response\u003c\/strong\u003e and smoother engine performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic fueling adjustments\u003c\/strong\u003e for optimal air-fuel ratios\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy installation\u003c\/strong\u003e with no wire-cutting or splicing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomizable\u003c\/strong\u003e settings for personalized engine control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time optimization\u003c\/strong\u003e for smooth operation across all riding conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpgrade your \u003cstrong\u003eHarley Davidson®\u003c\/strong\u003e with the \u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e for an enhanced \u003cstrong\u003eriding experience\u003c\/strong\u003e, \u003cstrong\u003eimproved engine efficiency\u003c\/strong\u003e, and \u003cstrong\u003esuperior performance\u003c\/strong\u003e. Whether you’re cruising on highways or navigating city streets, ThunderMax ensures that your bike delivers \u003cstrong\u003emaximum power\u003c\/strong\u003e and \u003cstrong\u003ereliable rideability\u003c\/strong\u003e every time you hit the road.\u003c\/p\u003e\n\u003ch2\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/309-588_20_20_20_20P1_20_20_20Installation_20V2016.10.18-5-compressed.pdf?v=1738256051\"\u003eInstallation Instructions\u003c\/a\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/store.thunder-max.com\/pages\/thundermax-emissions-notice\" title=\"ThunderMax Emissions Notice\" target=\"_blank\"\u003eEmissions Notice\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis product is intended for \"RACE READY\" vehicles only and is not for sale or use on vehicles otherwise subject to emission control requirements.  In the state of California, this product should not be used on any vehicle that is registered for use on public roads. Please view the ThunderMax 50 application guide for \"STREET APPROVED\" \u0026amp; ARB compliant products. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003ePart Number: 309-382\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Drag Specialties","offers":[{"title":"Default Title","offer_id":49392831135991,"sku":"106419","price":1088.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/Screenshot2025-01-31at1.40.16AM.png?v=1738316427"},{"product_id":"thundermax-for-2016-2017-softail®-models","title":"ThunderMax ECM for 2016-2017 Softail Models","description":"\u003ch1 style=\"text-align: center;\"\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/cVcV2mdruek?si=gNXA1j4m-M5bdwz0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/h1\u003e\n\u003ch1\u003eThunderMax ECM: Unmatched Performance Tuning for EFI Harley Davidson® Softail Motorcycles.\u003c\/h1\u003e\n\u003ch2\u003eWhat is ThunderMax ECM?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e is an \u003cstrong\u003eaward-winning performance engine control module\u003c\/strong\u003e (ECM) specifically designed for \u003cstrong\u003eEFI-equipped Harley Davidson® motorcycles\u003c\/strong\u003e. This advanced, stand-alone \u003cstrong\u003etuning system\u003c\/strong\u003e uses \u003cstrong\u003eproprietary AutoTune technology\u003c\/strong\u003e along with \u003cstrong\u003ewide-band oxygen sensors\u003c\/strong\u003e to deliver \u003cstrong\u003eunmatched performance\u003c\/strong\u003e, \u003cstrong\u003erideability\u003c\/strong\u003e, and \u003cstrong\u003efuel efficiency\u003c\/strong\u003e. Designed to optimize engine performance, ThunderMax enhances your Harley Davidson®'s responsiveness, throttle control, and smoothness, offering a superior riding experience.\u003c\/p\u003e\n\u003ch3\u003eKey Features of ThunderMax ECM:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutoTune Technology\u003c\/strong\u003e for automatic fuel management adjustments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide-band O2 sensors\u003c\/strong\u003e to maintain precise air-fuel ratios\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo wire cutting or splicing\u003c\/strong\u003e required—easy plug-and-play installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% assembled\u003c\/strong\u003e and ready for immediate installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time feedback\u003c\/strong\u003e for constant engine optimization\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eEasy Installation for Quick Performance Gains\u003c\/h2\u003e\n\u003cp\u003eOne of the most attractive aspects of \u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e is its \u003cstrong\u003eeffortless installation\u003c\/strong\u003e. This performance upgrade comes \u003cstrong\u003epre-assembled\u003c\/strong\u003e, meaning you can easily replace your \u003cstrong\u003efactory ECM\u003c\/strong\u003e and \u003cstrong\u003eoxygen sensors\u003c\/strong\u003e without the need for complicated wiring or modifications. Once installed, simply load your map (or use the pre-programmed basemap), and you’re ready to enjoy an enhanced riding experience with immediate performance improvements.\u003c\/p\u003e\n\u003ch3\u003eThunderMax ECM Installation Process:\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove your stock ECM\u003c\/strong\u003e and \u003cstrong\u003eoxygen sensors\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall the ThunderMax ECM\u003c\/strong\u003e and \u003cstrong\u003ewide-band O2 sensors\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad your map\u003c\/strong\u003e or use the \u003cstrong\u003ebasemap\u003c\/strong\u003e for automatic tuning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStart your ride\u003c\/strong\u003e and enjoy a smoother, more powerful engine.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eAdvanced AutoTune Technology for Optimal Fuel Management\u003c\/h2\u003e\n\u003cp\u003eThunderMax ECM uses \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e to automatically adjust the air-fuel ratio at every \u003cstrong\u003e256 RPM\u003c\/strong\u003e and \u003cstrong\u003edegree-and-a-half of throttle\u003c\/strong\u003e. This automatic fueling system provides more precise control over your engine’s performance, ensuring smoother throttle response and enhanced rideability under any riding condition.\u003c\/p\u003e\n\u003cp\u003eIn addition to AutoTune, the \u003cstrong\u003ebarometric sensor\u003c\/strong\u003e built into ThunderMax ensures your engine is always adjusted to optimal levels based on ambient air pressure changes. The \u003cstrong\u003ewide-band O2 sensors\u003c\/strong\u003e provide \u003cstrong\u003ereal-time feedback\u003c\/strong\u003e to the ECM, fine-tuning your Harley Davidson® for maximum performance.\u003c\/p\u003e\n\u003ch3\u003eThunderMax AutoTune Technology Benefits:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic fueling adjustments\u003c\/strong\u003e every 256 RPM for smooth throttle control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time feedback\u003c\/strong\u003e from wide-band O2 sensors for perfect air-fuel ratios\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarometric sensor\u003c\/strong\u003e automatically adapts to weather and altitude changes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo need to manually accept changes\u003c\/strong\u003e—settings are saved as soon as you key off\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFully Adjustable Performance Tuning\u003c\/h2\u003e\n\u003cp\u003eThunderMax ECM offers \u003cstrong\u003ecomplete tuning flexibility\u003c\/strong\u003e. While the system can be used with the \u003cstrong\u003epre-loaded basemap\u003c\/strong\u003e for quick, automatic tuning, it also supports \u003cstrong\u003eadvanced adjustments\u003c\/strong\u003e via \u003cstrong\u003eThunderMax tuning software\u003c\/strong\u003e. This allows you to fine-tune your bike’s performance settings based on your exact preferences, ensuring the ideal ride for every type of rider.\u003c\/p\u003e\n\u003ch3\u003eCustomization with ThunderMax ECM:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced tuning options\u003c\/strong\u003e using ThunderMax software for full control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-loaded basemaps\u003c\/strong\u003e for easy, automatic setup\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete control\u003c\/strong\u003e over air-fuel ratio, throttle response, and overall engine performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose ThunderMax ECM for Your Harley Davidson®?\u003c\/h2\u003e\n\u003cp\u003eThunderMax ECM is the perfect solution for \u003cstrong\u003eEFI-equipped Harley Davidson® motorcycles\u003c\/strong\u003e seeking improved \u003cstrong\u003eperformance\u003c\/strong\u003e, \u003cstrong\u003eefficiency\u003c\/strong\u003e, and \u003cstrong\u003erideability\u003c\/strong\u003e. Whether you’re looking to increase throttle response, improve fuel efficiency, or achieve smoother engine operation, ThunderMax delivers outstanding results, effortlessly adapting to a variety of riding conditions.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits of Upgrading to ThunderMax ECM:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced throttle response\u003c\/strong\u003e for a more responsive ride\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time automatic fueling adjustments\u003c\/strong\u003e for smoother performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple installation\u003c\/strong\u003e with no wire cutting or splicing required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomizable tuning options\u003c\/strong\u003e for a tailored riding experience\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time optimization\u003c\/strong\u003e for improved engine efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpgrade your \u003cstrong\u003eHarley Davidson®\u003c\/strong\u003e with the \u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e and experience the next level of \u003cstrong\u003eperformance tuning\u003c\/strong\u003e. Whether you’re cruising down the highway or navigating through the city, ThunderMax ensures your engine is always operating at its peak, giving you a smoother, more powerful ride every time.\u003c\/p\u003e\n\u003ch2\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/309-588_20_20_20_20P1_20_20_20Installation_20V2016.10.18-5-compressed.pdf?v=1738256051\"\u003eInstallation Instructions\u003c\/a\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/store.thunder-max.com\/pages\/thundermax-emissions-notice\" title=\"ThunderMax Emissions Notice\" target=\"_blank\"\u003eEmissions Notice\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis product is intended for \"RACE READY\" vehicles only and is not for sale or use on vehicles otherwise subject to emission control requirements.  In the state of California, this product should not be used on any vehicle that is registered for use on public roads. Please view the ThunderMax 50 application guide for \"STREET APPROVED\" \u0026amp; ARB compliant products.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePart Number:\u003cstrong\u003e 309-563\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Drag Specialties","offers":[{"title":"Default Title","offer_id":49392836247799,"sku":"106420","price":1088.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/image_6eaa2d5d-82c8-4376-a1af-abf2a0a96efc.jpg?v=1771020169"},{"product_id":"thundermax-for-2011-softail®-models","title":"ThunderMax ECM for 2011 Softail Models","description":"\u003ch1 style=\"text-align: center;\"\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/cVcV2mdruek?si=gNXA1j4m-M5bdwz0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/h1\u003e\n\u003ch1\u003eThunderMax ECM: Award-Winning Performance for EFI Harley Davidson® Motorcycles\u003c\/h1\u003e\n\u003ch2\u003eWhat is ThunderMax ECM?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e is a \u003cstrong\u003eperformance engine control module\u003c\/strong\u003e (ECM) specifically designed for \u003cstrong\u003eEFI-equipped Harley Davidson® motorcycles\u003c\/strong\u003e. This \u003cstrong\u003eindustry award-winning\u003c\/strong\u003e tuning system uses \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e combined with \u003cstrong\u003ewide-band oxygen sensors\u003c\/strong\u003e to deliver \u003cstrong\u003eexceptional performance\u003c\/strong\u003e and \u003cstrong\u003eimproved rideability\u003c\/strong\u003e. With ThunderMax, you get a \u003cstrong\u003estand-alone ECM\u003c\/strong\u003e that requires no wire-cutting or splicing, making it an easy, hassle-free upgrade for your motorcycle.\u003c\/p\u003e\n\u003ch3\u003eKey Features of ThunderMax ECM:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutoTune Technology\u003c\/strong\u003e for automatic fuel management\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide-band oxygen sensors\u003c\/strong\u003e to maintain perfect air-fuel ratios\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-assembled and ready to install\u003c\/strong\u003e, no wire-cutting or splicing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time feedback\u003c\/strong\u003e for optimized engine performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAward-winning design\u003c\/strong\u003e for unmatched reliability and performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eEasy Installation for Immediate Performance Gains\u003c\/h2\u003e\n\u003cp\u003eThunderMax ECM is designed for \u003cstrong\u003equick and easy installation\u003c\/strong\u003e, coming \u003cstrong\u003e100% pre-assembled\u003c\/strong\u003e and ready to install right out of the box. Simply replace your \u003cstrong\u003efactory ECM\u003c\/strong\u003e and \u003cstrong\u003eoxygen sensors\u003c\/strong\u003e, load your preferred map, and you’re all set for an immediate boost in performance.\u003c\/p\u003e\n\u003ch3\u003eSimple Installation Process:\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove the stock ECM\u003c\/strong\u003e and \u003cstrong\u003eoxygen sensors\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall ThunderMax ECM\u003c\/strong\u003e and \u003cstrong\u003ewide-band oxygen sensors\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad a tuning map\u003c\/strong\u003e or use the \u003cstrong\u003epre-programmed basemap\u003c\/strong\u003e for instant setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStart your ride\u003c\/strong\u003e and experience improved engine performance, smoother throttle response, and better fuel efficiency.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eAutoTune Technology for Real-Time Fueling Adjustments\u003c\/h2\u003e\n\u003cp\u003eThunderMax ECM utilizes \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e to adjust the air-fuel ratio \u003cstrong\u003eevery 256 RPM\u003c\/strong\u003e and at \u003cstrong\u003eevery degree-and-a-half of throttle\u003c\/strong\u003e. This means your engine’s fueling is continuously optimized, ensuring a smoother, more responsive ride.\u003c\/p\u003e\n\u003cp\u003eWith \u003cstrong\u003ewide-band O2 sensors\u003c\/strong\u003e constantly monitoring the \u003cstrong\u003eair-fuel ratio\u003c\/strong\u003e, the ThunderMax ECM delivers \u003cstrong\u003elive, real-time feedback\u003c\/strong\u003e to make automatic adjustments. This process ensures that your Harley Davidson® engine performs at its peak under all conditions. Additionally, the built-in \u003cstrong\u003ebarometric sensor\u003c\/strong\u003e allows ThunderMax to automatically adjust for changes in \u003cstrong\u003eambient air pressure\u003c\/strong\u003e, so you don’t need to worry about altitude or weather.\u003c\/p\u003e\n\u003ch3\u003eBenefits of AutoTune with ThunderMax ECM:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic fueling adjustments\u003c\/strong\u003e at every throttle position for smoother engine performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time air-fuel ratio monitoring\u003c\/strong\u003e with wide-band O2 sensors for precise control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarometric sensor\u003c\/strong\u003e compensates for changes in weather and altitude automatically\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo need to \"accept\" adjustments\u003c\/strong\u003e—once you power off your bike, the changes are saved automatically\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFully Adjustable Tuning for a Custom Ride\u003c\/h2\u003e\n\u003cp\u003eThunderMax ECM offers full \u003cstrong\u003eadjustability\u003c\/strong\u003e with its \u003cstrong\u003eThunderMax tuning software\u003c\/strong\u003e, allowing you to \u003cstrong\u003efine-tune\u003c\/strong\u003e every aspect of your bike’s performance. Whether you're a rider who wants complete control over your fueling setup or simply prefer to use a pre-loaded map for instant tuning, ThunderMax gives you both options.\u003c\/p\u003e\n\u003ch3\u003eCustomization Options:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThunderMax tuning software\u003c\/strong\u003e for advanced, detailed adjustments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-loaded basemap\u003c\/strong\u003e for quick and easy installation with automatic fueling adjustments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull control\u003c\/strong\u003e over your motorcycle’s air-fuel ratio and engine performance settings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose ThunderMax ECM for Your Harley Davidson®?\u003c\/h2\u003e\n\u003cp\u003eThunderMax ECM is the ideal upgrade for any \u003cstrong\u003eEFI-equipped Harley Davidson® motorcycle\u003c\/strong\u003e looking for \u003cstrong\u003eimproved performance\u003c\/strong\u003e, \u003cstrong\u003erideability\u003c\/strong\u003e, and \u003cstrong\u003efuel efficiency\u003c\/strong\u003e. Whether you're a seasoned rider looking for precise tuning or a new rider wanting an easy performance boost, ThunderMax ensures you get the best of both worlds.\u003c\/p\u003e\n\u003ch3\u003eWhy Upgrade to ThunderMax ECM?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced throttle response\u003c\/strong\u003e for a smoother and more powerful ride\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time automatic fueling adjustments\u003c\/strong\u003e for consistent engine performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple installation\u003c\/strong\u003e with no cutting or splicing required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomizable tuning options\u003c\/strong\u003e to match your unique riding preferences\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized engine performance\u003c\/strong\u003e with precise air-fuel ratio adjustments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpgrade your \u003cstrong\u003eHarley Davidson®\u003c\/strong\u003e with \u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e and enjoy \u003cstrong\u003eenhanced performance\u003c\/strong\u003e, \u003cstrong\u003ebetter fuel efficiency\u003c\/strong\u003e, and a \u003cstrong\u003esmoother ride\u003c\/strong\u003e every time you hit the road. Whether you’re cruising the open highway or tackling city streets, ThunderMax delivers the ultimate in \u003cstrong\u003eengine control\u003c\/strong\u003e and \u003cstrong\u003erideability\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/309-588_20_20_20_20P1_20_20_20Installation_20V2016.10.18-5-compressed.pdf?v=1738256051\"\u003eInstallation Instructions\u003c\/a\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/store.thunder-max.com\/pages\/thundermax-emissions-notice\" title=\"ThunderMax Emissions Notice\" target=\"_blank\"\u003eEmissions Notice\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis product is intended for \"RACE READY\" vehicles only and is not for sale or use on vehicles otherwise subject to emission control requirements.  In the state of California, this product should not be used on any vehicle that is registered for use on public roads. Please view the ThunderMax 50 application guide for \"STREET APPROVED\" \u0026amp; ARB compliant products.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003ePart Number:\u003cstrong\u003e 309-361\u003c\/strong\u003e\u003c\/p\u003e","brand":"Drag Specialties","offers":[{"title":"Default Title","offer_id":49392843555063,"sku":"106421","price":1088.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/image_151b3a7c-4366-4304-8e19-08495bba00dc.jpg?v=1771015634"},{"product_id":"thundermax-for-2011-2013-cvo-softail®-models","title":"ThunderMax for 2011 - 2013 CVO Softail® Models","description":"\u003ch1 style=\"text-align: center;\"\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/cVcV2mdruek?si=gNXA1j4m-M5bdwz0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/h1\u003e\n\u003ch1\u003eThunderMax ECM: High-Performance Tuning for EFI Harley Davidson® Motorcycles\u003c\/h1\u003e\n\u003ch2\u003eWhat is ThunderMax ECM?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e is an \u003cstrong\u003eaward-winning engine control module\u003c\/strong\u003e (ECM) designed specifically for \u003cstrong\u003eEFI-equipped Harley Davidson® motorcycles\u003c\/strong\u003e. This advanced, stand-alone \u003cstrong\u003etuning system\u003c\/strong\u003e uses \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e and \u003cstrong\u003ewide-band oxygen sensors\u003c\/strong\u003e to deliver \u003cstrong\u003eunmatched engine performance\u003c\/strong\u003e, \u003cstrong\u003eimproved rideability\u003c\/strong\u003e, and \u003cstrong\u003eoptimized fuel management\u003c\/strong\u003e. ThunderMax is perfect for Harley owners looking to upgrade their ride with precision tuning and automatic adjustments for smoother throttle response and better fuel efficiency.\u003c\/p\u003e\n\u003ch3\u003eKey Features of ThunderMax ECM:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutoTune Technology\u003c\/strong\u003e for real-time fueling adjustments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide-band oxygen sensors\u003c\/strong\u003e for precise air-fuel ratio control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo wire-cutting or splicing\u003c\/strong\u003e—easy, plug-and-play installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% pre-assembled\u003c\/strong\u003e, ready to install out of the box\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time feedback\u003c\/strong\u003e for continuous optimization of engine performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eEffortless Installation: Upgrade Your Harley Davidson® with ThunderMax\u003c\/h2\u003e\n\u003cp\u003eThunderMax ECM is designed for \u003cstrong\u003eeasy installation\u003c\/strong\u003e. It comes \u003cstrong\u003epre-assembled\u003c\/strong\u003e and is ready to install without any need for wire cutting or splicing, making it an ideal choice for those looking for a simple, hassle-free upgrade. Replacing your \u003cstrong\u003efactory ECM\u003c\/strong\u003e and \u003cstrong\u003eoxygen sensors\u003c\/strong\u003e is all it takes to start enjoying \u003cstrong\u003eenhanced throttle response\u003c\/strong\u003e, \u003cstrong\u003esmoother engine operation\u003c\/strong\u003e, and \u003cstrong\u003eimproved fuel efficiency\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eSimple Installation Steps:\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove the stock ECM\u003c\/strong\u003e and \u003cstrong\u003eoxygen sensors\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall ThunderMax ECM\u003c\/strong\u003e and \u003cstrong\u003ewide-band oxygen sensors\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad your preferred map\u003c\/strong\u003e or use the \u003cstrong\u003epre-loaded basemap\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnjoy a smoother, more responsive ride\u003c\/strong\u003e with optimized engine performance.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eAutoTune Technology: Real-Time Adjustments for Optimal Engine Performance\u003c\/h2\u003e\n\u003cp\u003eOne of the standout features of the ThunderMax ECM is its \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e, which automatically adjusts fueling at \u003cstrong\u003eevery 256 RPM\u003c\/strong\u003e and every \u003cstrong\u003edegree-and-a-half of throttle\u003c\/strong\u003e. This dynamic adjustment process ensures your Harley Davidson®'s engine runs smoothly across all speeds and throttle positions.\u003c\/p\u003e\n\u003ch3\u003eHow AutoTune Works:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide-band O2 sensors\u003c\/strong\u003e constantly monitor the air-fuel ratio to ensure optimal fueling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time feedback\u003c\/strong\u003e to the ECM allows it to make automatic fueling adjustments, improving throttle response and fuel efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarometric sensor\u003c\/strong\u003e compensates for changes in atmospheric pressure, so you don’t have to adjust for weather or altitude manually.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese automatic adjustments mean \u003cstrong\u003esmoother acceleration\u003c\/strong\u003e, \u003cstrong\u003emore power\u003c\/strong\u003e, and a \u003cstrong\u003esmoother engine\u003c\/strong\u003e without the need for constant tuning.\u003c\/p\u003e\n\u003ch2\u003eFully Adjustable for Custom Performance: ThunderMax Tuning Software\u003c\/h2\u003e\n\u003cp\u003eWhile ThunderMax ECM offers a \u003cstrong\u003epre-programmed basemap\u003c\/strong\u003e for quick tuning, it’s also fully adjustable with \u003cstrong\u003eThunderMax tuning software\u003c\/strong\u003e. This flexibility allows you to fine-tune your engine settings for a \u003cstrong\u003ecustomized riding experience\u003c\/strong\u003e, whether you want better fuel efficiency, more power, or smoother throttle response.\u003c\/p\u003e\n\u003ch3\u003eCustomizable Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThunderMax tuning software\u003c\/strong\u003e allows for \u003cstrong\u003eadvanced adjustments\u003c\/strong\u003e to fueling, throttle response, and more.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-loaded basemaps\u003c\/strong\u003e for those who prefer a quick setup with automatic adjustments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete control\u003c\/strong\u003e over your bike’s performance, allowing you to tailor the ride to your specific needs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose ThunderMax ECM for Your Harley Davidson®?\u003c\/h2\u003e\n\u003cp\u003eThunderMax ECM is the ideal solution for \u003cstrong\u003eEFI-equipped Harley Davidson® motorcycles\u003c\/strong\u003e looking for \u003cstrong\u003eunmatched performance\u003c\/strong\u003e, \u003cstrong\u003erideability\u003c\/strong\u003e, and \u003cstrong\u003efuel efficiency\u003c\/strong\u003e. Whether you’re a beginner or an experienced rider, ThunderMax ensures your engine runs at its \u003cstrong\u003epeak performance\u003c\/strong\u003e while offering simple installation and real-time tuning adjustments.\u003c\/p\u003e\n\u003ch3\u003eReasons to Upgrade to ThunderMax ECM:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved throttle response\u003c\/strong\u003e for a more responsive and enjoyable ride\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic fueling adjustments\u003c\/strong\u003e for smoother operation across all riding conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple, no-fuss installation\u003c\/strong\u003e with no wire cutting or splicing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced tuning options\u003c\/strong\u003e with ThunderMax software for full control over performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time engine optimization\u003c\/strong\u003e that adjusts automatically to weather and altitude changes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpgrade your \u003cstrong\u003eHarley Davidson®\u003c\/strong\u003e with the \u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e for \u003cstrong\u003eoptimized engine performance\u003c\/strong\u003e, \u003cstrong\u003ebetter fuel economy\u003c\/strong\u003e, and \u003cstrong\u003esmoother rideability\u003c\/strong\u003e. Whether you're cruising down the highway or navigating the streets, ThunderMax ensures your ride is always performing at its best, adapting automatically for \u003cstrong\u003epeak performance\u003c\/strong\u003e with every turn of the throttle.\u003c\/p\u003e\n\u003ch2\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/309-588_20_20_20_20P1_20_20_20Installation_20V2016.10.18-5-compressed.pdf?v=1738256051\"\u003eInstallation Instructions\u003c\/a\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/store.thunder-max.com\/pages\/thundermax-emissions-notice\" title=\"ThunderMax Emissions Notice\" target=\"_blank\"\u003eEmissions Notice\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis product is intended for \"RACE READY\" vehicles only and is not for sale or use on vehicles otherwise subject to emission control requirements.  In the state of California, this product should not be used on any vehicle that is registered for use on public roads. Please view the ThunderMax 50 application guide for \"STREET APPROVED\" \u0026amp; ARB compliant products.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number: 309-363\u003c\/strong\u003e\u003c\/p\u003e","brand":"Drag Specialties","offers":[{"title":"Default Title","offer_id":49392853450999,"sku":"106422","price":1088.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/Screenshot2025-01-31at2.01.01AM.png?v=1738317672"},{"product_id":"thundermax-for-2014-2015-cvo-softail®-models","title":"ThunderMax ECM for 2014-2015 CVO Softail Models","description":"\u003ch1 style=\"text-align: center;\"\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/cVcV2mdruek?si=gNXA1j4m-M5bdwz0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/h1\u003e\n\u003ch1\u003eThunderMax ECM: The Ultimate Performance Tuning Solution for EFI Harley Davidson® Motorcycles\u003c\/h1\u003e\n\u003ch2\u003eWhat is ThunderMax ECM?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e is an \u003cstrong\u003eaward-winning performance engine control module\u003c\/strong\u003e (ECM) designed for \u003cstrong\u003eEFI-equipped Harley Davidson® motorcycles\u003c\/strong\u003e. This highly advanced, stand-alone \u003cstrong\u003etuning system\u003c\/strong\u003e is engineered to enhance the \u003cstrong\u003eperformance\u003c\/strong\u003e and \u003cstrong\u003erideability\u003c\/strong\u003e of your motorcycle, offering smoother engine operation and increased responsiveness. Using \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e combined with \u003cstrong\u003ewide-band oxygen sensors\u003c\/strong\u003e, ThunderMax automatically adjusts your engine's air-fuel ratio to deliver \u003cstrong\u003eunmatched precision\u003c\/strong\u003e and \u003cstrong\u003epower\u003c\/strong\u003e on every ride.\u003c\/p\u003e\n\u003ch3\u003eKey Features of ThunderMax ECM:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutoTune Technology\u003c\/strong\u003e for automatic air-fuel ratio adjustments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide-band oxygen sensors\u003c\/strong\u003e for precise fuel management\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug-and-play installation\u003c\/strong\u003e—no wire cutting or splicing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompletely pre-assembled\u003c\/strong\u003e, ready to install\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time engine optimization\u003c\/strong\u003e for a smoother ride\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eEasy Installation: Boost Performance in Minutes\u003c\/h2\u003e\n\u003cp\u003eThunderMax ECM is designed for \u003cstrong\u003eeasy installation\u003c\/strong\u003e, making it a perfect upgrade for Harley Davidson® owners who want a performance boost without complicated modifications. The unit comes \u003cstrong\u003e100% assembled\u003c\/strong\u003e, allowing you to replace the stock ECM and oxygen sensors with minimal effort. Once installed, simply load a \u003cstrong\u003emap\u003c\/strong\u003e (or use the \u003cstrong\u003ebasemap\u003c\/strong\u003e) and experience instant performance improvements.\u003c\/p\u003e\n\u003ch3\u003eSimple Steps to Install ThunderMax ECM:\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove the stock ECM\u003c\/strong\u003e and \u003cstrong\u003eoxygen sensors\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall ThunderMax ECM\u003c\/strong\u003e and \u003cstrong\u003ewide-band O2 sensors\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad your preferred map\u003c\/strong\u003e or use the \u003cstrong\u003epre-programmed basemap\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStart riding\u003c\/strong\u003e with smoother acceleration and improved fuel efficiency.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eAutoTune Technology: Automatic Fuel Management for Optimal Performance\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e utilizes cutting-edge \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e that automatically adjusts your engine’s fuel management at \u003cstrong\u003eevery 256 RPM\u003c\/strong\u003e and \u003cstrong\u003eevery degree-and-a-half of throttle\u003c\/strong\u003e. This means the ThunderMax constantly fine-tunes your air-fuel ratio in real-time to ensure a smooth, consistent ride.\u003c\/p\u003e\n\u003ch3\u003eHow ThunderMax AutoTune Works:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time adjustments\u003c\/strong\u003e to fuel management for seamless throttle response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide-band O2 sensors\u003c\/strong\u003e constantly monitor and adjust the air-fuel ratio, ensuring peak engine performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarometric sensor\u003c\/strong\u003e automatically compensates for changes in ambient air pressure, so your bike always runs optimally, regardless of weather or altitude.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWith ThunderMax, you’ll experience \u003cstrong\u003esmoother throttle control\u003c\/strong\u003e and a \u003cstrong\u003emore powerful engine\u003c\/strong\u003e, without needing to manually adjust your settings.\u003c\/p\u003e\n\u003ch2\u003eFully Adjustable with ThunderMax Tuning Software\u003c\/h2\u003e\n\u003cp\u003eWhile ThunderMax ECM works seamlessly with a \u003cstrong\u003epre-loaded basemap\u003c\/strong\u003e, it also offers full adjustability through \u003cstrong\u003eThunderMax tuning software\u003c\/strong\u003e. This gives you the flexibility to fine-tune every aspect of your bike’s engine performance, ensuring that it matches your specific riding style and preferences.\u003c\/p\u003e\n\u003ch3\u003eBenefits of Using ThunderMax Tuning Software:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced tuning options\u003c\/strong\u003e for precise control over fueling, throttle response, and more.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time adjustments\u003c\/strong\u003e allow you to adapt your bike’s performance on the fly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomizable settings\u003c\/strong\u003e for optimal performance at various throttle positions and RPM ranges.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose ThunderMax ECM for Your Harley Davidson®?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e is the perfect solution for anyone looking to unlock their \u003cstrong\u003eHarley Davidson® motorcycle’s full potential\u003c\/strong\u003e. Whether you’re a casual rider looking for improved rideability or a performance enthusiast wanting maximum control, ThunderMax offers \u003cstrong\u003eseamless, real-time tuning\u003c\/strong\u003e that adapts to your riding needs.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits of ThunderMax ECM:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmoother throttle response\u003c\/strong\u003e for a more responsive ride\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic fuel management\u003c\/strong\u003e with no manual adjustments needed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple installation\u003c\/strong\u003e with no splicing or wire cutting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomizable tuning\u003c\/strong\u003e with ThunderMax software\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized engine performance\u003c\/strong\u003e for better power and fuel efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpgrade your \u003cstrong\u003eHarley Davidson®\u003c\/strong\u003e with \u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e today and experience the next level of \u003cstrong\u003eperformance tuning\u003c\/strong\u003e. Whether you’re cruising on the highway or navigating city streets, ThunderMax ensures your bike runs at peak performance with \u003cstrong\u003ereal-time optimization\u003c\/strong\u003e and \u003cstrong\u003eautomatic adjustments\u003c\/strong\u003e that make every ride smoother, more efficient, and more enjoyable.\u003c\/p\u003e\n\u003ch2\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/309-588_20_20_20_20P1_20_20_20Installation_20V2016.10.18-5-compressed.pdf?v=1738256051\"\u003eInstallation Instructions\u003c\/a\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/store.thunder-max.com\/pages\/thundermax-emissions-notice\" title=\"ThunderMax Emissions Notice\" target=\"_blank\"\u003eEmissions Notice\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis product is intended for \"RACE READY\" vehicles only and is not for sale or use on vehicles otherwise subject to emission control requirements.  In the state of California, this product should not be used on any vehicle that is registered for use on public roads. Please view the ThunderMax 50 application guide for \"STREET APPROVED\" \u0026amp; ARB compliant products.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003ePart Number:\u003cstrong\u003e 309-563\u003c\/strong\u003e\u003c\/p\u003e","brand":"Drag Specialties","offers":[{"title":"Default Title","offer_id":49392863969527,"sku":"106420","price":1088.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/image_be14a2a6-6240-416a-b59b-3263e65ded24.jpg?v=1771016951"},{"product_id":"thundermax-for-2004-2011-dyna®-models","title":"ThunderMax for 2004 - 2011 Dyna® Models","description":"\u003ch1 style=\"text-align: center;\"\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/cVcV2mdruek?si=gNXA1j4m-M5bdwz0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/h1\u003e\n\u003ch1\u003eThunderMax ECM: The Ultimate Performance Upgrade for EFI Harley Davidson® Dyna Motorcycles\u003c\/h1\u003e\n\u003ch2\u003eWhat is ThunderMax ECM?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e is an \u003cstrong\u003eindustry award-winning performance engine control module\u003c\/strong\u003e (ECM) specifically designed for \u003cstrong\u003eEFI-equipped Harley Davidson® motorcycles\u003c\/strong\u003e. This \u003cstrong\u003ehighly advanced tuning system\u003c\/strong\u003e utilizes \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e paired with \u003cstrong\u003ewide-band oxygen sensors\u003c\/strong\u003e to deliver \u003cstrong\u003eunmatched performance\u003c\/strong\u003e and \u003cstrong\u003erideability\u003c\/strong\u003e. ThunderMax offers riders a powerful and hassle-free way to optimize their bike's fuel management system.\u003c\/p\u003e\n\u003ch3\u003eKey Features of ThunderMax ECM:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutoTune Technology\u003c\/strong\u003e for continuous, automatic fuel adjustments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide-band oxygen sensors\u003c\/strong\u003e for precise air-fuel ratio management\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-assembled and ready to install\u003c\/strong\u003e with no wire cutting or splicing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time feedback\u003c\/strong\u003e to the ECM for seamless engine performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully adjustable tuning\u003c\/strong\u003e through ThunderMax software or using a basemap\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eEasy Installation: No Wiring or Splicing Required\u003c\/h2\u003e\n\u003cp\u003eThunderMax ECM comes \u003cstrong\u003e100% pre-assembled\u003c\/strong\u003e, allowing for \u003cstrong\u003equick and easy installation\u003c\/strong\u003e. It’s designed to replace the \u003cstrong\u003efactory ECM\u003c\/strong\u003e and \u003cstrong\u003eoxygen sensors\u003c\/strong\u003e in your \u003cstrong\u003eEFI Harley Davidson® motorcycle\u003c\/strong\u003e with minimal effort. Simply remove the old components, install the new ThunderMax ECM and oxygen sensors, load a map (or use the pre-loaded basemap), and you're ready to ride.\u003c\/p\u003e\n\u003ch3\u003eThunderMax Installation Steps:\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove the stock ECM\u003c\/strong\u003e and \u003cstrong\u003eoxygen sensors\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall ThunderMax ECM\u003c\/strong\u003e and \u003cstrong\u003ewide-band oxygen sensors\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad your chosen map\u003c\/strong\u003e or use the pre-programmed \u003cstrong\u003ebasemap\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnjoy your ride\u003c\/strong\u003e with a smoother, more responsive engine.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eAutoTune Technology: Real-Time Fueling Adjustments for Optimized Performance\u003c\/h2\u003e\n\u003cp\u003eOne of ThunderMax's standout features is its \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e, which continuously monitors and adjusts your engine’s \u003cstrong\u003eair-fuel ratio\u003c\/strong\u003e to optimize performance. This system ensures your Harley Davidson® runs smoothly, regardless of RPM or throttle position.\u003c\/p\u003e\n\u003ch3\u003eHow ThunderMax AutoTune Works:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time automatic fueling adjustments\u003c\/strong\u003e: Every 256 RPM and every degree-and-a-half of throttle are monitored and adjusted for the best possible engine performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide-band O2 sensors\u003c\/strong\u003e: These sensors constantly monitor the \u003cstrong\u003eair-fuel ratio\u003c\/strong\u003e, sending live feedback to the ECM for on-the-fly adjustments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarometric sensor\u003c\/strong\u003e: Automatically compensates for changes in \u003cstrong\u003eambient air pressure\u003c\/strong\u003e so you don’t have to worry about weather or altitude.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWith ThunderMax, you never have to worry about tuning your bike manually—\u003cstrong\u003efueling adjustments happen automatically\u003c\/strong\u003e as you ride.\u003c\/p\u003e\n\u003ch2\u003eFully Adjustable Tuning: Customize Your Ride with ThunderMax Software\u003c\/h2\u003e\n\u003cp\u003eThe ThunderMax ECM is not just about automatic adjustments. It’s also fully adjustable with \u003cstrong\u003eThunderMax tuning software\u003c\/strong\u003e, giving you complete control over your bike’s fueling, throttle response, and more. Whether you want to fine-tune your settings or rely on the pre-loaded basemap, the choice is yours.\u003c\/p\u003e\n\u003ch3\u003eThunderMax Tuning Options:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThunderMax tuning software\u003c\/strong\u003e: Adjust fuel settings, throttle response, and more for a completely customized riding experience.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-loaded basemap\u003c\/strong\u003e: For quick and easy setup with automatic adjustments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time tuning\u003c\/strong\u003e: Adjust settings as you ride for the ultimate in personalized engine performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose ThunderMax ECM for Your Harley Davidson®?\u003c\/h2\u003e\n\u003cp\u003eThunderMax ECM is designed to unlock the full potential of your \u003cstrong\u003eEFI-equipped Harley Davidson®\u003c\/strong\u003e by providing \u003cstrong\u003eprecision tuning\u003c\/strong\u003e, \u003cstrong\u003eimproved throttle response\u003c\/strong\u003e, and \u003cstrong\u003eoptimized fuel efficiency\u003c\/strong\u003e. Whether you're a casual rider or a performance enthusiast, ThunderMax delivers a smoother, more powerful ride with less hassle.\u003c\/p\u003e\n\u003ch3\u003eBenefits of Upgrading to ThunderMax ECM:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved throttle response\u003c\/strong\u003e for better control and smoother acceleration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic air-fuel ratio adjustments\u003c\/strong\u003e for optimal engine performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple installation\u003c\/strong\u003e with no splicing or wire-cutting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomizable tuning\u003c\/strong\u003e options to match your riding style\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced rideability\u003c\/strong\u003e and better fuel efficiency for a more enjoyable experience\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpgrade your \u003cstrong\u003eHarley Davidson®\u003c\/strong\u003e with \u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e today and experience the next level of performance tuning. Whether you’re cruising on the open road or navigating city streets, ThunderMax ensures your motorcycle runs at its best with \u003cstrong\u003eautomatic, real-time fuel adjustments\u003c\/strong\u003e that adapt to your riding conditions.\u003c\/p\u003e\n\u003ch2\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/309-588_20_20_20_20P1_20_20_20Installation_20V2016.10.18-5-compressed.pdf?v=1738256051\"\u003eInstallation Instructions\u003c\/a\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/store.thunder-max.com\/pages\/thundermax-emissions-notice\" title=\"ThunderMax Emissions Notice\" target=\"_blank\"\u003eEmissions Notice\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis product is intended for \"RACE READY\" vehicles only and is not for sale or use on vehicles otherwise subject to emission control requirements.  In the state of California, this product should not be used on any vehicle that is registered for use on public roads. Please view the ThunderMax 50 application guide for \"STREET APPROVED\" \u0026amp; ARB compliant products\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003ePart Number: 309-485\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Drag Specialties","offers":[{"title":"Default Title","offer_id":49392871080183,"sku":"106423","price":1088.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/Screenshot2025-01-31at2.12.34AM.png?v=1738318366"},{"product_id":"thundermax-for-2012-2017-dyna®-models","title":"ThunderMax for 2012 - 2017 Dyna® Models","description":"\u003ch1 style=\"text-align: center;\"\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/cVcV2mdruek?si=gNXA1j4m-M5bdwz0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/h1\u003e\n\u003ch1\u003eThunderMax for 2012 - 2017 Harley Davidson Dyna® Models\u003c\/h1\u003e\n\u003ch2\u003eWhat is ThunderMax ECM?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e is an \u003cstrong\u003eaward-winning performance engine control module\u003c\/strong\u003e designed specifically for \u003cstrong\u003eEFI-equipped Harley Davidson® motorcycles\u003c\/strong\u003e. This \u003cstrong\u003eadvanced, stand-alone tuning system\u003c\/strong\u003e utilizes \u003cstrong\u003eproprietary AutoTune technology\u003c\/strong\u003e and \u003cstrong\u003ewide-band oxygen sensors\u003c\/strong\u003e to optimize your bike’s \u003cstrong\u003efuel management\u003c\/strong\u003e, improving \u003cstrong\u003eperformance\u003c\/strong\u003e, \u003cstrong\u003erideability\u003c\/strong\u003e, and \u003cstrong\u003efuel efficiency\u003c\/strong\u003e. ThunderMax provides a seamless, hassle-free upgrade that makes your Harley run at its peak performance without the need for complex adjustments.\u003c\/p\u003e\n\u003ch3\u003eKey Features of ThunderMax ECM:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutoTune Technology\u003c\/strong\u003e for automatic fuel adjustments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide-band oxygen sensors\u003c\/strong\u003e for precise air-fuel ratio monitoring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy installation\u003c\/strong\u003e with no wire cutting or splicing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-assembled\u003c\/strong\u003e and ready to install\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time feedback\u003c\/strong\u003e for continuous engine optimization\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eEasy Installation: Plug-and-Play for Quick Setup\u003c\/h2\u003e\n\u003cp\u003eThunderMax ECM is designed to be a \u003cstrong\u003eplug-and-play upgrade\u003c\/strong\u003e for your \u003cstrong\u003eEFI Harley Davidson®\u003c\/strong\u003e. It comes \u003cstrong\u003e100% pre-assembled\u003c\/strong\u003e, so you won’t need to cut or splice any wires. The installation process is simple and fast: just replace the \u003cstrong\u003efactory ECM\u003c\/strong\u003e and \u003cstrong\u003eoxygen sensors\u003c\/strong\u003e, load your map (or use the pre-loaded basemap), and you’re good to go!\u003c\/p\u003e\n\u003ch3\u003eSimple Installation Process:\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove the factory ECM\u003c\/strong\u003e and \u003cstrong\u003eoxygen sensors\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall the ThunderMax ECM\u003c\/strong\u003e and \u003cstrong\u003ewide-band O2 sensors\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad the map\u003c\/strong\u003e you prefer, or use the \u003cstrong\u003epre-programmed basemap\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStart riding\u003c\/strong\u003e with smoother acceleration and enhanced power.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eAutoTune Technology: Real-Time Fueling Adjustments\u003c\/h2\u003e\n\u003cp\u003eOne of ThunderMax’s standout features is its \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e, which automatically adjusts the \u003cstrong\u003eair-fuel ratio\u003c\/strong\u003e in real time, ensuring your bike always runs at \u003cstrong\u003eoptimal performance\u003c\/strong\u003e. ThunderMax automatically makes fueling adjustments at \u003cstrong\u003eevery 256 RPM\u003c\/strong\u003e and every \u003cstrong\u003edegree-and-a-half of throttle\u003c\/strong\u003e to provide a smoother, more responsive engine.\u003c\/p\u003e\n\u003ch3\u003eHow ThunderMax AutoTune Works:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide-band O2 sensors\u003c\/strong\u003e constantly monitor the air-fuel ratio, providing continuous feedback to the ECM.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic fueling adjustments\u003c\/strong\u003e ensure consistent performance across all RPM ranges and throttle positions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarometric sensor\u003c\/strong\u003e compensates for ambient air changes, so you never have to manually adjust for weather or altitude.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis \u003cstrong\u003edynamic fueling system\u003c\/strong\u003e means your Harley Davidson® will always deliver a smooth and powerful ride.\u003c\/p\u003e\n\u003ch2\u003eFully Adjustable Tuning: Customize Your Ride\u003c\/h2\u003e\n\u003cp\u003eWhile ThunderMax ECM works perfectly with its \u003cstrong\u003epre-loaded basemap\u003c\/strong\u003e, it also offers complete adjustability with \u003cstrong\u003eThunderMax tuning software\u003c\/strong\u003e. This allows you to fine-tune your bike’s performance, giving you full control over everything from \u003cstrong\u003efueling\u003c\/strong\u003e to \u003cstrong\u003ethrottle response\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eThunderMax Tuning Options:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThunderMax tuning software\u003c\/strong\u003e allows for advanced adjustments to fueling, throttle response, and more.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-loaded basemap\u003c\/strong\u003e for quick setup, with automatic adjustments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete customization\u003c\/strong\u003e for riders who want precise control over their engine performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose ThunderMax ECM for Your Harley Davidson®?\u003c\/h2\u003e\n\u003cp\u003eThunderMax ECM is the ideal choice for \u003cstrong\u003eEFI Harley Davidson® owners\u003c\/strong\u003e who want to unlock their bike’s full potential. Whether you're looking for \u003cstrong\u003eimproved throttle response\u003c\/strong\u003e, \u003cstrong\u003ebetter fuel efficiency\u003c\/strong\u003e, or \u003cstrong\u003eenhanced overall performance\u003c\/strong\u003e, ThunderMax offers a \u003cstrong\u003eplug-and-play solution\u003c\/strong\u003e that adapts to your needs.\u003c\/p\u003e\n\u003ch3\u003eBenefits of Upgrading to ThunderMax ECM:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved throttle response\u003c\/strong\u003e and smoother engine performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic fuel adjustments\u003c\/strong\u003e that keep your bike running at its best.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy, no-hassle installation\u003c\/strong\u003e with no need for wire cutting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully customizable tuning\u003c\/strong\u003e for a tailored riding experience.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time performance optimization\u003c\/strong\u003e for consistent engine management.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eExperience Peak Performance with ThunderMax ECM\u003c\/h3\u003e\n\u003cp\u003eUpgrade your \u003cstrong\u003eHarley Davidson®\u003c\/strong\u003e with \u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e today and experience the \u003cstrong\u003enext level of performance tuning\u003c\/strong\u003e. Whether you're cruising on the open road or navigating urban streets, ThunderMax ensures your bike runs at \u003cstrong\u003epeak efficiency\u003c\/strong\u003e with \u003cstrong\u003eautomatic, real-time adjustments\u003c\/strong\u003e that adapt to changing conditions.\u003c\/p\u003e\n\u003ch2\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/309-588_20_20_20_20P1_20_20_20Installation_20V2016.10.18-5-compressed.pdf?v=1738256051\"\u003eInstallation Instructions\u003c\/a\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/store.thunder-max.com\/pages\/thundermax-emissions-notice\" title=\"ThunderMax Emissions Notice\" target=\"_blank\"\u003eEmissions Notice\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis product is intended for \"RACE READY\" vehicles only and is not for sale or use on vehicles otherwise subject to emission control requirements.  In the state of California, this product should not be used on any vehicle that is registered for use on public roads. Please view the ThunderMax 50 application guide for \"STREET APPROVED\" \u0026amp; ARB compliant products.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number: 309-382\u003c\/strong\u003e\u003c\/p\u003e","brand":"Drag Specialties","offers":[{"title":"Default Title","offer_id":49392878190839,"sku":"106419","price":1088.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/Screenshot2025-01-31at2.18.33AM.png?v=1738318726"},{"product_id":"thundermax-for-2016-2017-dyna-lowrider-s®-models","title":"ThunderMax for 2016 - 2017 Dyna LowRider S® Models","description":"\u003ch1 style=\"text-align: center;\"\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/cVcV2mdruek?si=gNXA1j4m-M5bdwz0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/h1\u003e\n\u003ch1\u003eThunderMax ECM: Tune your Harley Davidson® Dyna LowRider S\u003c\/h1\u003e\n\u003ch2\u003eWhat is ThunderMax ECM?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e is an \u003cstrong\u003eaward-winning engine control module\u003c\/strong\u003e specifically engineered for \u003cstrong\u003eEFI-equipped Harley Davidson® motorcycles\u003c\/strong\u003e. This \u003cstrong\u003eadvanced, stand-alone tuning system\u003c\/strong\u003e integrates \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e and \u003cstrong\u003ewide-band oxygen sensors\u003c\/strong\u003e to provide \u003cstrong\u003esuperior performance\u003c\/strong\u003e and \u003cstrong\u003esmoother rideability\u003c\/strong\u003e. ThunderMax simplifies tuning by automatically adjusting your motorcycle’s \u003cstrong\u003eair-fuel ratio\u003c\/strong\u003e in real-time for optimal engine performance. Whether you’re a casual rider or a performance enthusiast, ThunderMax ensures your bike performs at its best.\u003c\/p\u003e\n\u003ch3\u003eKey Features of ThunderMax ECM:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutoTune Technology\u003c\/strong\u003e for continuous fuel adjustments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide-band O2 sensors\u003c\/strong\u003e for precise air-fuel ratio management\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug-and-play installation\u003c\/strong\u003e with no wire-cutting or splicing\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFully assembled and ready to install\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time adjustments\u003c\/strong\u003e for smooth and responsive riding\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eEasy Installation: Quick Upgrade for EFI Harley Davidson® Motorcycles\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e is designed to be installed with minimal effort, requiring \u003cstrong\u003eno wire-cutting or splicing\u003c\/strong\u003e. This \u003cstrong\u003epre-assembled ECM\u003c\/strong\u003e is a \u003cstrong\u003eplug-and-play upgrade\u003c\/strong\u003e, meaning you can replace your \u003cstrong\u003efactory ECM\u003c\/strong\u003e and \u003cstrong\u003eoxygen sensors\u003c\/strong\u003e quickly and easily. Once installed, just load a \u003cstrong\u003emap\u003c\/strong\u003e or use the \u003cstrong\u003epre-loaded basemap\u003c\/strong\u003e, and your bike is ready to experience improved power, control, and efficiency.\u003c\/p\u003e\n\u003ch3\u003eHow to Install ThunderMax ECM:\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove the factory ECM\u003c\/strong\u003e and \u003cstrong\u003eoxygen sensors\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall the ThunderMax ECM\u003c\/strong\u003e and \u003cstrong\u003ewide-band O2 sensors\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad your custom map\u003c\/strong\u003e or use the \u003cstrong\u003epre-programmed basemap\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStart your bike\u003c\/strong\u003e and enjoy improved rideability and performance.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eAutoTune Technology: Real-Time Adjustments for Seamless Rideability\u003c\/h2\u003e\n\u003cp\u003eThunderMax's \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e is what sets it apart. With this technology, the ECM continually adjusts the \u003cstrong\u003efueling\u003c\/strong\u003eat every \u003cstrong\u003e256 RPM\u003c\/strong\u003e and \u003cstrong\u003eevery degree-and-a-half of throttle\u003c\/strong\u003e. This results in a \u003cstrong\u003esmoother-running engine\u003c\/strong\u003e and \u003cstrong\u003eincreased control\u003c\/strong\u003e across all riding conditions. Whether you're cruising or accelerating, ThunderMax ensures your Harley Davidson® runs at peak performance.\u003c\/p\u003e\n\u003ch3\u003eHow ThunderMax AutoTune Enhances Performance:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic fuel adjustments\u003c\/strong\u003e based on real-time data from wide-band O2 sensors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEvery 256 RPM and throttle degree\u003c\/strong\u003e is adjusted for precise fueling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarometric sensor\u003c\/strong\u003e automatically compensates for air pressure changes, ensuring your bike runs optimally in any condition.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWith ThunderMax, you don’t have to worry about manually adjusting fuel settings or re-accepting tuning changes. The \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e takes care of everything for you, providing \u003cstrong\u003einstant fueling corrections\u003c\/strong\u003e without intervention.\u003c\/p\u003e\n\u003ch2\u003eFully Adjustable with ThunderMax Tuning Software\u003c\/h2\u003e\n\u003cp\u003eWhile ThunderMax ECM works excellently with its pre-loaded basemap, it is also fully \u003cstrong\u003eadjustable\u003c\/strong\u003e using \u003cstrong\u003eThunderMax tuning software\u003c\/strong\u003e. This gives you complete control over your engine’s performance, allowing you to tweak everything from \u003cstrong\u003efueling\u003c\/strong\u003e to \u003cstrong\u003ethrottle response\u003c\/strong\u003e based on your preferences or riding conditions.\u003c\/p\u003e\n\u003ch3\u003eThunderMax Tuning Software Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced tuning control\u003c\/strong\u003e for fuel management, throttle response, and more.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time adjustments\u003c\/strong\u003e for dynamic tuning during rides.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomizable settings\u003c\/strong\u003e to suit different riding styles or performance goals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhether you prefer the convenience of the \u003cstrong\u003epre-programmed basemap\u003c\/strong\u003e or want to fine-tune every aspect of your motorcycle's performance, ThunderMax gives you the flexibility to choose.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose ThunderMax ECM for Your Harley Davidson®?\u003c\/h2\u003e\n\u003cp\u003eThunderMax ECM is the perfect tuning solution for \u003cstrong\u003eEFI-equipped Harley Davidson® motorcycles\u003c\/strong\u003e. It provides \u003cstrong\u003eseamless integration\u003c\/strong\u003e with your bike’s existing systems, delivering \u003cstrong\u003eenhanced performance\u003c\/strong\u003e, \u003cstrong\u003esmoother rideability\u003c\/strong\u003e, and \u003cstrong\u003efuel efficiency\u003c\/strong\u003e. With \u003cstrong\u003eautomatic fuel adjustments\u003c\/strong\u003e and \u003cstrong\u003ereal-time tuning\u003c\/strong\u003e, ThunderMax ensures your bike always performs at its best, regardless of the riding conditions.\u003c\/p\u003e\n\u003ch3\u003eBenefits of Upgrading to ThunderMax ECM:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved throttle response\u003c\/strong\u003e and smoother acceleration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time fuel adjustments\u003c\/strong\u003e for optimized performance at every RPM.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple installation\u003c\/strong\u003e with no need for wire-cutting or splicing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomizable tuning\u003c\/strong\u003e for a personalized riding experience.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced rideability\u003c\/strong\u003e, delivering more power and efficiency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eThunderMax ECM: The Key to Unlocking Maximum Performance\u003c\/h2\u003e\n\u003cp\u003eUpgrade your \u003cstrong\u003eHarley Davidson®\u003c\/strong\u003e with \u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e today to experience \u003cstrong\u003eunmatched performance\u003c\/strong\u003e and \u003cstrong\u003erideability\u003c\/strong\u003e. Whether you’re looking for better throttle response, smoother performance, or the ability to fine-tune your bike’s engine, ThunderMax provides the tools you need to get the most out of your motorcycle. Enjoy a ride that’s as smooth, powerful, and efficient as possible with ThunderMax ECM’s advanced features.\u003c\/p\u003e\n\u003ch2\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/309-588_20_20_20_20P1_20_20_20Installation_20V2016.10.18-5-compressed.pdf?v=1738256051\"\u003eInstallation Instructions\u003c\/a\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/store.thunder-max.com\/pages\/thundermax-emissions-notice\" title=\"ThunderMax Emissions Notice\" target=\"_blank\"\u003eEmissions Notice\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis product is intended for \"RACE READY\" vehicles only and is not for sale or use on vehicles otherwise subject to emission control requirements.  In the state of California, this product should not be used on any vehicle that is registered for use on public roads. Please view the ThunderMax 50 application guide for \"STREET APPROVED\" \u0026amp; ARB compliant products.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003ePart Number: 309-563\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Drag Specialties","offers":[{"title":"Default Title","offer_id":49392885104887,"sku":"106420","price":1088.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/Screenshot2025-01-31at2.22.50AM.png?v=1738318981"},{"product_id":"thundermax-2007-2009-sportster®-models","title":"ThunderMax ECM for 2007-2009 Sportster® Models","description":"\u003ch1 style=\"text-align: center;\"\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/cVcV2mdruek?si=gNXA1j4m-M5bdwz0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/h1\u003e\n\u003ch1\u003eThunderMax ECM: The Ultimate Performance Tuning System for EFI Harley Davidson® Motorcycles\u003c\/h1\u003e\n\u003ch2\u003eWhat is ThunderMax ECM?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e is an \u003cstrong\u003eaward-winning engine control module\u003c\/strong\u003e engineered specifically for \u003cstrong\u003eEFI-equipped Harley Davidson® motorcycles\u003c\/strong\u003e. This advanced, stand-alone \u003cstrong\u003etuning system\u003c\/strong\u003e uses \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e along with \u003cstrong\u003ewide-band oxygen sensors\u003c\/strong\u003e to provide \u003cstrong\u003eunmatched engine performance\u003c\/strong\u003e and \u003cstrong\u003esuperior rideability\u003c\/strong\u003e. Whether you're looking to boost power, improve fuel efficiency, or simply make your bike run smoother, ThunderMax ensures optimal performance in any riding condition.\u003c\/p\u003e\n\u003ch3\u003eKey Features of ThunderMax ECM:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProprietary AutoTune technology\u003c\/strong\u003e for automatic fuel adjustments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide-band oxygen sensors\u003c\/strong\u003e for precise air-fuel ratio control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully assembled\u003c\/strong\u003e and ready to install — no wire-cutting or splicing required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time fueling adjustments\u003c\/strong\u003e for smoother acceleration and better throttle response\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced barometric sensor\u003c\/strong\u003e for automatic adjustment to environmental changes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eEasy Installation: No Wire Cutting or Splicing Required\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e is designed to be \u003cstrong\u003esimple to install\u003c\/strong\u003e. Unlike other tuning systems, ThunderMax comes \u003cstrong\u003epre-assembled\u003c\/strong\u003e and ready to install on your \u003cstrong\u003eEFI Harley Davidson®\u003c\/strong\u003e. You don’t need to cut wires or splice any components. Just remove the \u003cstrong\u003efactory ECM\u003c\/strong\u003e and \u003cstrong\u003eoxygen sensors\u003c\/strong\u003e, install the ThunderMax unit, load a \u003cstrong\u003ebasemap\u003c\/strong\u003e, and you’re ready to hit the road with enhanced performance.\u003c\/p\u003e\n\u003ch3\u003eThunderMax Installation Process:\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove the factory ECM\u003c\/strong\u003e and \u003cstrong\u003eoxygen sensors\u003c\/strong\u003e from your motorcycle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall the ThunderMax ECM\u003c\/strong\u003e and \u003cstrong\u003ewide-band oxygen sensors\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad your preferred map\u003c\/strong\u003e or use the \u003cstrong\u003epre-loaded basemap\u003c\/strong\u003e for easy setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStart your engine\u003c\/strong\u003e and enjoy the instant performance benefits.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eAutoTune Technology: Real-Time Fueling Adjustments\u003c\/h2\u003e\n\u003cp\u003eOne of the standout features of the \u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e is its \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e, which automatically adjusts the \u003cstrong\u003eair-fuel ratio\u003c\/strong\u003e for \u003cstrong\u003eoptimal engine performance\u003c\/strong\u003e. This feature continually monitors and adjusts fueling at \u003cstrong\u003eevery 256 RPM\u003c\/strong\u003e and \u003cstrong\u003eevery degree-and-a-half of throttle\u003c\/strong\u003e. With the \u003cstrong\u003ereal-time feedback\u003c\/strong\u003e from the \u003cstrong\u003ewide-band oxygen sensors\u003c\/strong\u003e, the ECM ensures smooth, efficient running across all RPM ranges and riding conditions.\u003c\/p\u003e\n\u003ch3\u003eHow ThunderMax AutoTune Works:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide-band O2 sensors\u003c\/strong\u003e provide live data to the ECM, allowing for constant adjustment of the air-fuel ratio.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic fueling adjustments\u003c\/strong\u003e happen at \u003cstrong\u003eevery 256 RPM\u003c\/strong\u003e and \u003cstrong\u003ethrottle position\u003c\/strong\u003e, ensuring optimal performance without the need for manual intervention.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarometric sensor\u003c\/strong\u003e automatically adjusts for environmental changes like altitude and weather, optimizing fuel delivery based on the air conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis means you’ll enjoy a \u003cstrong\u003esmoother running engine\u003c\/strong\u003e and \u003cstrong\u003eimproved throttle response\u003c\/strong\u003e throughout your ride.\u003c\/p\u003e\n\u003ch2\u003eFully Adjustable Tuning with ThunderMax Software\u003c\/h2\u003e\n\u003cp\u003eThunderMax ECM doesn’t just come with a \u003cstrong\u003epre-loaded basemap\u003c\/strong\u003e; it also allows for \u003cstrong\u003efull customization\u003c\/strong\u003e with \u003cstrong\u003eThunderMax tuning software\u003c\/strong\u003e. Whether you want to fine-tune your bike’s \u003cstrong\u003efueling\u003c\/strong\u003e, \u003cstrong\u003ethrottle response\u003c\/strong\u003e, or other aspects of performance, ThunderMax gives you the flexibility to do so.\u003c\/p\u003e\n\u003ch3\u003eThunderMax Tuning Software Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced tuning capabilities\u003c\/strong\u003e to adjust fueling, throttle response, and more.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time adjustments\u003c\/strong\u003e that adapt to your riding conditions and preferences.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomizable maps\u003c\/strong\u003e that allow you to personalize your ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eYou can choose to use the \u003cstrong\u003epre-loaded basemap\u003c\/strong\u003e for simplicity or dive deeper into \u003cstrong\u003ecustom tuning\u003c\/strong\u003e with ThunderMax’s intuitive software.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose ThunderMax ECM for Your Harley Davidson®?\u003c\/h2\u003e\n\u003cp\u003eThunderMax ECM is a \u003cstrong\u003epremium tuning solution\u003c\/strong\u003e for \u003cstrong\u003eEFI-equipped Harley Davidson® motorcycles\u003c\/strong\u003e. Whether you’re an avid performance rider or just want a smoother, more efficient ride, ThunderMax offers \u003cstrong\u003eunmatched versatility\u003c\/strong\u003e, \u003cstrong\u003eease of installation\u003c\/strong\u003e, and \u003cstrong\u003ereal-time tuning capabilities\u003c\/strong\u003e. With \u003cstrong\u003eauto-adjusting fuel management\u003c\/strong\u003e, \u003cstrong\u003ereal-time engine optimization\u003c\/strong\u003e, and \u003cstrong\u003ecustomizable tuning\u003c\/strong\u003e, ThunderMax provides everything you need to enhance your bike’s performance and rideability.\u003c\/p\u003e\n\u003ch3\u003eBenefits of ThunderMax ECM:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved engine performance\u003c\/strong\u003e and \u003cstrong\u003esmoother throttle response\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time fueling adjustments\u003c\/strong\u003e for consistent performance across all riding conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug-and-play installation\u003c\/strong\u003e — no need for wire-cutting or splicing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull tuning customization\u003c\/strong\u003e with ThunderMax software for personalized performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic barometric adjustments\u003c\/strong\u003e to account for changing weather and altitude.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eUpgrade Your Harley Davidson® with ThunderMax ECM Today\u003c\/h2\u003e\n\u003cp\u003eThunderMax ECM is the ultimate solution for anyone looking to \u003cstrong\u003eoptimize their EFI Harley Davidson® motorcycle’s performance\u003c\/strong\u003e. With features like \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e, \u003cstrong\u003ewide-band O2 sensors\u003c\/strong\u003e, and \u003cstrong\u003ereal-time fueling adjustments\u003c\/strong\u003e, ThunderMax gives you a smoother, more powerful ride. Whether you’re commuting or cruising on the open road, ThunderMax ensures your Harley runs at its best, adapting to any conditions you encounter.\u003c\/p\u003e\n\u003cp\u003eUpgrade your ride today with ThunderMax ECM for \u003cstrong\u003eenhanced performance, reliability, and rideability\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/309-588_20_20_20_20P1_20_20_20Installation_20V2016.10.18-5-compressed.pdf?v=1738256051\"\u003eInstallation Instructions\u003c\/a\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003ca title=\"ThunderMax Emissions Notice\" href=\"https:\/\/store.thunder-max.com\/pages\/thundermax-emissions-notice\" target=\"_blank\"\u003eEmissions Notice\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis product is intended for \"RACE READY\" vehicles only and is not for sale or use on vehicles otherwise subject to emission control requirements.  In the state of California, this product should not be used on any vehicle that is registered for use on public roads. Please view the ThunderMax 50 application guide for \"STREET APPROVED\" \u0026amp; ARB compliant products.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePart Number: \u003cstrong\u003e309-460\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e\u003cstrong\u003e\u003cbr\u003eFitment:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e2018-2020 Harley-Davidson XL1200NS Iron 1200\u003cbr data-start=\"3579\" data-end=\"3582\"\u003e2018-2019 Harley-Davidson XL1200XS Forty-Eight Special\u003cbr data-start=\"3636\" data-end=\"3639\"\u003e2016-2020 Harley-Davidson XL1200CX Roadster\u003cbr data-start=\"3682\" data-end=\"3685\"\u003e2014-2020 Harley-Davidson XL1200X Forty-Eight\u003cbr data-start=\"3730\" data-end=\"3733\"\u003e2014-2020 Harley-Davidson XL883N Iron 883\u003cbr data-start=\"3774\" data-end=\"3777\"\u003e2014-2019 Harley-Davidson XL883L SuperLow\u003cbr data-start=\"3818\" data-end=\"3821\"\u003e2014-2019 Harley-Davidson XL1200C Sportster 1200 Custom\u003cbr data-start=\"3876\" data-end=\"3879\"\u003e2014-2017 Harley-Davidson XL1200T SuperLow 1200T\u003cbr data-start=\"3927\" data-end=\"3930\"\u003e2014-2017 Harley-Davidson XL1200CP\u003c\/p\u003e","brand":"Drag Specialties","offers":[{"title":"Default Title","offer_id":49392895426807,"sku":"106416","price":1088.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/image_17a109e0-f5cc-462a-994f-140d359e5a61.jpg?v=1771013439"},{"product_id":"thundermax-for-2010-2013-sportster®-models","title":"ThunderMax ECM for 2010-2013 Sportster Models","description":"\u003ch1 style=\"text-align: center;\"\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/cVcV2mdruek?si=gNXA1j4m-M5bdwz0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/h1\u003e\n\u003ch1\u003eThunderMax ECM for Harley Davidson®: Unmatched Performance and Rideability\u003c\/h1\u003e\n\u003ch2\u003eWhat is ThunderMax ECM?\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e is an \u003cstrong\u003eaward-winning engine control module\u003c\/strong\u003e specifically designed for \u003cstrong\u003eEFI-equipped Harley Davidson® motorcycles\u003c\/strong\u003e. This advanced, stand-alone \u003cstrong\u003etuning system\u003c\/strong\u003e utilizes \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e along with \u003cstrong\u003ewide-band oxygen sensors\u003c\/strong\u003e to deliver \u003cstrong\u003eexceptional engine performance\u003c\/strong\u003e, \u003cstrong\u003esmooth throttle response\u003c\/strong\u003e, and \u003cstrong\u003eimproved rideability\u003c\/strong\u003e. Whether you're a casual rider or a performance enthusiast, ThunderMax provides unmatched control over your bike’s fuel management, ensuring optimal power and efficiency.\u003c\/p\u003e\n\u003ch3\u003eKey Features of ThunderMax ECM:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutoTune technology\u003c\/strong\u003e for automatic fueling adjustments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide-band oxygen sensors\u003c\/strong\u003e for precise air-fuel ratio control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug-and-play installation\u003c\/strong\u003e with no need for wire-cutting or splicing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully assembled\u003c\/strong\u003e and ready to install out of the box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time fueling adjustments\u003c\/strong\u003e for smoother engine performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eEasy Installation: Plug-and-Play for EFI Harley Davidson® Motorcycles\u003c\/h2\u003e\n\u003cp\u003eOne of the standout features of \u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e is its \u003cstrong\u003eeasy installation\u003c\/strong\u003e. Unlike other aftermarket ECMs that may require wire-cutting or splicing, the ThunderMax ECM comes \u003cstrong\u003efully assembled\u003c\/strong\u003e and is ready to be installed with minimal effort. Simply remove the \u003cstrong\u003efactory ECM\u003c\/strong\u003e and \u003cstrong\u003eoxygen sensors\u003c\/strong\u003e, replace them with the ThunderMax system, and load your map or use the \u003cstrong\u003epre-loaded basemap\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eStep-by-Step Installation:\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove the factory ECM\u003c\/strong\u003e and \u003cstrong\u003eoxygen sensors\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall the ThunderMax ECM\u003c\/strong\u003e and \u003cstrong\u003ewide-band O2 sensors\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad the appropriate map\u003c\/strong\u003e or use the \u003cstrong\u003epre-loaded basemap\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStart your engine\u003c\/strong\u003e and enjoy the instant performance boost.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eNo modifications, no hassle—just a quick and easy installation to upgrade your bike’s performance.\u003c\/p\u003e\n\u003ch2\u003eAutoTune Technology: Real-Time Adjustments for Maximum Performance\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e is equipped with \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e that continually adjusts your \u003cstrong\u003eair-fuel ratio\u003c\/strong\u003e in real time. As you ride, the \u003cstrong\u003ewide-band oxygen sensors\u003c\/strong\u003e monitor your bike’s performance, adjusting the fueling at \u003cstrong\u003eevery 256 RPM\u003c\/strong\u003e and \u003cstrong\u003eevery 1.5-degree throttle increment\u003c\/strong\u003e. This results in smoother acceleration, better throttle response, and an overall more refined riding experience.\u003c\/p\u003e\n\u003ch3\u003eHow AutoTune Enhances Performance:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstant fueling adjustments\u003c\/strong\u003e at \u003cstrong\u003eevery 256 RPM\u003c\/strong\u003e and throttle position.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time monitoring\u003c\/strong\u003e via wide-band oxygen sensors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in barometric sensor\u003c\/strong\u003e automatically compensates for changes in altitude and weather conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo need to \"accept\" changes\u003c\/strong\u003e—once you key off, the adjustments are permanently written to the system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWith \u003cstrong\u003eThunderMax AutoTune\u003c\/strong\u003e, you get a \u003cstrong\u003esmoother-running engine\u003c\/strong\u003e that adapts automatically to changing conditions, ensuring consistent performance every time you ride.\u003c\/p\u003e\n\u003ch2\u003eFully Adjustable with ThunderMax Tuning Software\u003c\/h2\u003e\n\u003cp\u003eWhile the \u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e works flawlessly with the \u003cstrong\u003epre-loaded basemap\u003c\/strong\u003e, it also offers the flexibility of \u003cstrong\u003ecustom tuning\u003c\/strong\u003e. Using the \u003cstrong\u003eThunderMax tuning software\u003c\/strong\u003e, you can adjust the \u003cstrong\u003efueling\u003c\/strong\u003e, \u003cstrong\u003ethrottle response\u003c\/strong\u003e, and other performance parameters to match your specific needs. Whether you're tuning for maximum power, smooth cruising, or fuel efficiency, ThunderMax puts the power in your hands.\u003c\/p\u003e\n\u003ch3\u003eThunderMax Tuning Software Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time adjustments\u003c\/strong\u003e for a personalized tuning experience.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjust fueling, throttle response\u003c\/strong\u003e, and other engine parameters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom maps\u003c\/strong\u003e for different riding styles and conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntuitive interface\u003c\/strong\u003e for easy tuning even for beginners.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThunderMax gives you the freedom to \u003cstrong\u003efine-tune your bike\u003c\/strong\u003e for a truly personalized ride. You can opt for the simplicity of the \u003cstrong\u003ebasemap\u003c\/strong\u003e or take control with advanced adjustments.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose ThunderMax ECM for Your Harley Davidson®?\u003c\/h2\u003e\n\u003cp\u003eWhen it comes to \u003cstrong\u003eEFI-equipped Harley Davidson® motorcycles\u003c\/strong\u003e, \u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e is the ultimate performance upgrade. Whether you’re looking for better throttle response, smoother rideability, or more precise fueling adjustments, ThunderMax delivers a significant improvement. With its \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e, \u003cstrong\u003ewide-band oxygen sensors\u003c\/strong\u003e, and \u003cstrong\u003eadjustable features\u003c\/strong\u003e, ThunderMax offers unbeatable performance, ease of installation, and complete control over your engine’s performance.\u003c\/p\u003e\n\u003ch3\u003eBenefits of ThunderMax ECM:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved engine performance\u003c\/strong\u003e with real-time fueling adjustments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmoother throttle response\u003c\/strong\u003e and enhanced rideability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple plug-and-play installation\u003c\/strong\u003e with no wire-cutting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomizable tuning options\u003c\/strong\u003e with ThunderMax software.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic adjustments\u003c\/strong\u003e for weather and altitude changes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eUpgrade Your Harley Davidson® with ThunderMax ECM Today\u003c\/h2\u003e\n\u003cp\u003eTake your \u003cstrong\u003eHarley Davidson®\u003c\/strong\u003e to the next level with \u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e. Whether you want more power, smoother acceleration, or better fuel efficiency, ThunderMax provides the \u003cstrong\u003etools you need\u003c\/strong\u003e to unlock your bike’s full potential. With \u003cstrong\u003eeasy installation\u003c\/strong\u003e, \u003cstrong\u003ereal-time auto-tuning\u003c\/strong\u003e, and \u003cstrong\u003ecustomizable tuning options\u003c\/strong\u003e, ThunderMax is the best choice for anyone looking to enhance their \u003cstrong\u003eEFI Harley Davidson® motorcycle\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eUpgrade now and experience a smoother, more powerful ride with ThunderMax ECM!\u003c\/p\u003e\n\u003ch2\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/309-588_20_20_20_20P1_20_20_20Installation_20V2016.10.18-5-compressed.pdf?v=1738256051\"\u003eInstallation Instructions\u003c\/a\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/store.thunder-max.com\/pages\/thundermax-emissions-notice\" title=\"ThunderMax Emissions Notice\" target=\"_blank\"\u003eEmissions Notice\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis product is intended for \"RACE READY\" vehicles only and is not for sale or use on vehicles otherwise subject to emission control requirements.  In the state of California, this product should not be used on any vehicle that is registered for use on public roads. Please view the ThunderMax 50 application guide for \"STREET APPROVED\" \u0026amp; ARB compliant products.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePart Number:\u003cstrong\u003e 309-485\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Drag Specialties","offers":[{"title":"Default Title","offer_id":49392899686647,"sku":"106423","price":1088.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/image_f69db3cd-5acc-43c3-ac5b-5242ebc5b993.jpg?v=1771018556"},{"product_id":"thundermax-for-2014-2022-sportster®-models","title":"ThunderMax ECM for 2014-2022 Sportster Models","description":"\u003ch1 style=\"text-align: center;\"\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/cVcV2mdruek?si=gNXA1j4m-M5bdwz0\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/h1\u003e\n\u003ch1\u003eThunderMax ECM: The Ultimate Performance Tuning System for EFI Harley Davidson® Motorcycles\u003c\/h1\u003e\n\u003ch2\u003eWhat is ThunderMax ECM?\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e is an \u003cstrong\u003eaward-winning performance engine control module\u003c\/strong\u003e designed specifically for \u003cstrong\u003eEFI-equipped Harley Davidson® motorcycles\u003c\/strong\u003e. This high-tech, \u003cstrong\u003estand-alone tuning system\u003c\/strong\u003e uses \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e and \u003cstrong\u003ewide-band oxygen sensors\u003c\/strong\u003e to deliver \u003cstrong\u003eunmatched performance\u003c\/strong\u003e, \u003cstrong\u003eimproved throttle response\u003c\/strong\u003e, and \u003cstrong\u003esuperior rideability\u003c\/strong\u003e. ThunderMax provides everything you need to optimize your motorcycle’s fueling and performance, all in one easy-to-install package.\u003c\/p\u003e\n\u003ch3\u003eKey Features of ThunderMax ECM:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAward-winning design\u003c\/strong\u003e for superior performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProprietary AutoTune technology\u003c\/strong\u003e for automatic fuel adjustments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide-band oxygen sensors\u003c\/strong\u003e for precise air-fuel ratio control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo wire cutting or splicing\u003c\/strong\u003e required—plug-and-play installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time fueling adjustments\u003c\/strong\u003e for smoother rideability and better power delivery.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eEasy Installation: Plug-and-Play for Your Harley Davidson®\u003c\/h2\u003e\n\u003cp\u003eThunderMax ECM is designed to be \u003cstrong\u003eextremely easy to install\u003c\/strong\u003e, making it the perfect choice for any rider who wants to enhance their bike’s performance without the hassle of complex modifications. The system comes \u003cstrong\u003efully assembled\u003c\/strong\u003e, ready to install with no \u003cstrong\u003ewire-cutting or splicing\u003c\/strong\u003e required. Just remove the \u003cstrong\u003efactory ECM\u003c\/strong\u003e and \u003cstrong\u003eoxygen sensors\u003c\/strong\u003e, replace them with ThunderMax components, load a map, and enjoy a more powerful, efficient ride.\u003c\/p\u003e\n\u003ch3\u003eThunderMax Installation Steps:\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove the stock ECM\u003c\/strong\u003e and \u003cstrong\u003eoxygen sensors\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall the ThunderMax ECM\u003c\/strong\u003e and \u003cstrong\u003ewide-band oxygen sensors\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad a pre-set map\u003c\/strong\u003e or \u003cstrong\u003ecustomize your own map\u003c\/strong\u003e using ThunderMax software.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStart your engine\u003c\/strong\u003e, and feel the difference!\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eWhy ThunderMax is the Best for DIY Installations:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug-and-play\u003c\/strong\u003e installation—no need for professional help.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo wire cutting or splicing\u003c\/strong\u003e—keeps your bike’s wiring intact.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy-to-follow instructions\u003c\/strong\u003e for quick setup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eAutoTune Technology: Real-Time Fueling Adjustments\u003c\/h2\u003e\n\u003cp\u003eOne of the standout features of the \u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e is its use of \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e, which makes \u003cstrong\u003ereal-time fueling adjustments\u003c\/strong\u003e while you ride. As you accelerate, decelerate, or change altitude, the \u003cstrong\u003ewide-band oxygen sensors\u003c\/strong\u003econstantly monitor your bike's \u003cstrong\u003eair-fuel ratio\u003c\/strong\u003e and make automatic adjustments to optimize engine performance. This results in \u003cstrong\u003esmoother acceleration\u003c\/strong\u003e, \u003cstrong\u003eimproved throttle response\u003c\/strong\u003e, and a more efficient engine.\u003c\/p\u003e\n\u003ch3\u003eHow ThunderMax AutoTune Works:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic fueling adjustments\u003c\/strong\u003e made at \u003cstrong\u003eevery 256 RPM\u003c\/strong\u003e and \u003cstrong\u003eevery 1.5-degree throttle increment\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide-band oxygen sensors\u003c\/strong\u003e provide \u003cstrong\u003elive feedback\u003c\/strong\u003e on the air-fuel ratio.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarometric sensor\u003c\/strong\u003e automatically adjusts the fuel mapping based on changes in altitude or weather conditions.\u003c\/li\u003e\n\u003cli\u003eNo need for manual adjustments or \"accepting\" changes—once you key off, the changes are \u003cstrong\u003epermanently written\u003c\/strong\u003eto the ECM.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis \u003cstrong\u003eadaptive system\u003c\/strong\u003e ensures your bike runs efficiently in all conditions, keeping your engine running smoother and performing better across various riding situations.\u003c\/p\u003e\n\u003ch2\u003eFully Adjustable: Customize Your Performance with ThunderMax Software\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e is not just for basic performance tuning—it offers \u003cstrong\u003efull adjustability\u003c\/strong\u003e through the \u003cstrong\u003eThunderMax tuning software\u003c\/strong\u003e. Whether you want to tweak fueling, adjust throttle response, or optimize for specific riding styles or conditions, ThunderMax gives you the \u003cstrong\u003efreedom to personalize your motorcycle's performance\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eThunderMax Tuning Software Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable fueling and throttle settings\u003c\/strong\u003e for precise control over your ride.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time feedback\u003c\/strong\u003e and \u003cstrong\u003elive adjustments\u003c\/strong\u003e to ensure optimal performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomizable maps\u003c\/strong\u003e to fine-tune your Harley Davidson® for different conditions and riding styles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUser-friendly interface\u003c\/strong\u003e that allows you to make adjustments with ease.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWith ThunderMax, you can either use the \u003cstrong\u003epre-loaded basemap\u003c\/strong\u003e for a quick setup or dive deeper into advanced tuning to maximize your bike's potential.\u003c\/p\u003e\n\u003ch2\u003eWhy ThunderMax ECM is the Top Choice for Harley Davidson® Riders\u003c\/h2\u003e\n\u003cp\u003eWhen it comes to \u003cstrong\u003eEFI-equipped Harley Davidson® motorcycles\u003c\/strong\u003e, \u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e offers the most advanced and user-friendly tuning solution on the market. Whether you're a seasoned rider or a newcomer, the ThunderMax system enhances your motorcycle’s performance by ensuring smooth power delivery, improved fuel efficiency, and more control over your engine. With \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e, \u003cstrong\u003ewide-band oxygen sensors\u003c\/strong\u003e, and \u003cstrong\u003ecustomizable tuning\u003c\/strong\u003e, ThunderMax is the most effective way to upgrade your ride.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits of ThunderMax ECM:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic fueling adjustments\u003c\/strong\u003e for better engine efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved throttle response\u003c\/strong\u003e and \u003cstrong\u003esmoother acceleration\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time adjustments\u003c\/strong\u003e with \u003cstrong\u003ewide-band O2 sensors\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo wire cutting or splicing\u003c\/strong\u003e—easy DIY installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomizable performance tuning\u003c\/strong\u003e through ThunderMax software.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eUpgrade Your Harley Davidson® with ThunderMax ECM Today\u003c\/h2\u003e\n\u003cp\u003eTake your \u003cstrong\u003eEFI-equipped Harley Davidson® motorcycle\u003c\/strong\u003e to the next level with \u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e. Offering \u003cstrong\u003eseamless installation\u003c\/strong\u003e, \u003cstrong\u003ereal-time tuning\u003c\/strong\u003e, and \u003cstrong\u003ecustomizable performance options\u003c\/strong\u003e, ThunderMax is the perfect upgrade for anyone looking to maximize their bike's potential. Whether you're aiming for \u003cstrong\u003emore power\u003c\/strong\u003e, \u003cstrong\u003ebetter throttle control\u003c\/strong\u003e, or \u003cstrong\u003esuperior rideability\u003c\/strong\u003e, ThunderMax provides the tools to achieve it all.\u003c\/p\u003e\n\u003ch3\u003eReady to Experience the ThunderMax Difference?\u003c\/h3\u003e\n\u003cp\u003eUpgrade your Harley Davidson® with ThunderMax ECM today and unlock \u003cstrong\u003ebetter performance\u003c\/strong\u003e, \u003cstrong\u003esmoother rides\u003c\/strong\u003e, and \u003cstrong\u003eimproved fuel efficiency\u003c\/strong\u003e. Don't settle for less—choose ThunderMax for a more powerful and responsive motorcycle.\u003c\/p\u003e\n\u003ch2\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/309-588_20_20_20_20P1_20_20_20Installation_20V2016.10.18-5-compressed.pdf?v=1738256051\"\u003eInstallation Instructions\u003c\/a\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003ca title=\"ThunderMax Emissions Notice\" href=\"https:\/\/store.thunder-max.com\/pages\/thundermax-emissions-notice\" target=\"_blank\"\u003eEmissions Notice\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis product is intended for \"RACE READY\" vehicles only and is not for sale or use on vehicles otherwise subject to emission control requirements.  In the state of California, this product should not be used on any vehicle that is registered for use on public roads. Please view the ThunderMax 50 application guide for \"STREET APPROVED\" \u0026amp; ARB compliant products.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number: 309-382\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"731\" data-end=\"747\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch4 data-start=\"731\" data-end=\"747\"\u003eSportster models\u003c\/h4\u003e\n\u003cp data-start=\"749\" data-end=\"1229\"\u003e2018–2020 Harley-Davidson XL1200NS Iron 1200\u003cbr data-start=\"793\" data-end=\"796\"\u003e2018–2019 Harley-Davidson XL1200XS Forty-Eight Special\u003cbr data-start=\"850\" data-end=\"853\"\u003e2016–2020 Harley-Davidson XL1200CX Roadster\u003cbr data-start=\"896\" data-end=\"899\"\u003e2014–2020 Harley-Davidson XL1200X Forty-Eight\u003cbr data-start=\"944\" data-end=\"947\"\u003e2014–2020 Harley-Davidson XL883N Iron 883\u003cbr data-start=\"988\" data-end=\"991\"\u003e2014–2019 Harley-Davidson XL883L SuperLow\u003cbr data-start=\"1032\" data-end=\"1035\"\u003e2014–2019 Harley-Davidson XL1200C Sportster 1200 Custom\u003cbr data-start=\"1090\" data-end=\"1093\"\u003e2014–2017 Harley-Davidson XL1200T SuperLow 1200T\u003cbr data-start=\"1141\" data-end=\"1144\" data-is-only-node=\"\"\u003e2014–2017 Harley-Davidson XLCP 1200\u003cbr data-start=\"1179\" data-end=\"1182\"\u003e2014–2016 Harley-Davidson XL1200V Seventy-Two\u003c\/p\u003e\n\u003ch4 data-start=\"1231\" data-end=\"1245\"\u003eSoftail models\u003c\/h4\u003e\n\u003cp data-start=\"1247\" data-end=\"1529\"\u003e2012–2015 Harley-Davidson FLS Softail Slim\u003cbr data-start=\"1289\" data-end=\"1292\"\u003e2012–2015 Harley-Davidson FLSTC Heritage Softail Classic\u003cbr data-start=\"1348\" data-end=\"1351\"\u003e2012–2015 Harley-Davidson FLSTF Fat Boy\u003cbr data-start=\"1390\" data-end=\"1393\"\u003e2012–2015 Harley-Davidson FLSTFB Fat Boy Lo\u003cbr data-start=\"1436\" data-end=\"1439\"\u003e2012–2015 Harley-Davidson FLSTN Softail Deluxe\u003cbr data-start=\"1485\" data-end=\"1488\"\u003e2012–2013 Harley-Davidson FXS Blackline\u003c\/p\u003e\n\u003ch4 data-start=\"1531\" data-end=\"1542\"\u003eDyna models\u003c\/h4\u003e\n\u003cp data-start=\"1544\" data-end=\"1819\"\u003e2014–2016 Harley-Davidson FXDL Dyna Low Rider\u003cbr data-start=\"1589\" data-end=\"1592\"\u003e2012–2016 Harley-Davidson FXDF Fat Bob\u003cbr data-start=\"1630\" data-end=\"1633\"\u003e2012–2016 Harley-Davidson FLD Switchback\u003cbr data-start=\"1673\" data-end=\"1676\"\u003e2012–2016 Harley-Davidson FXDB Street Bob\u003cbr data-start=\"1717\" data-end=\"1720\"\u003e2012–2016 Harley-Davidson FXDWG Dyna Wide Glide\u003cbr data-start=\"1767\" data-end=\"1770\"\u003e2012–2014 Harley-Davidson FXDC Super Glide Custom\u003c\/p\u003e","brand":"Drag Specialties","offers":[{"title":"Default Title","offer_id":49392903422199,"sku":"106419","price":1088.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/image_150acb93-caf4-4fe4-ad3f-b4f30368ec59.jpg?v=1770418311"},{"product_id":"thundermax-for-2008-2012-xr1200®-models","title":"ThunderMax ECM for 2008-2012 XR1200® Models","description":"\u003ch1 style=\"text-align: center;\"\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/cVcV2mdruek?si=gNXA1j4m-M5bdwz0\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/h1\u003e\n\u003ch1\u003ePerformance Tuning for EFI Harley Davidson® Motorcycles\u003c\/h1\u003e\n\u003ch2\u003eWhat is ThunderMax ECM?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e is a \u003cstrong\u003eperformance-enhancing engine control module\u003c\/strong\u003e (ECM) designed specifically for \u003cstrong\u003eEFI-equipped Harley Davidson® motorcycles\u003c\/strong\u003e. This \u003cstrong\u003eadvanced, stand-alone tuning system\u003c\/strong\u003e delivers unmatched performance and rideability by utilizing proprietary \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e combined with \u003cstrong\u003ewide-band oxygen sensors\u003c\/strong\u003e. Whether you’re looking to improve throttle response, fuel efficiency, or overall power, ThunderMax offers the perfect solution for Harley owners who want the best performance.\u003c\/p\u003e\n\u003ch3\u003eKey Features of ThunderMax ECM:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAward-winning performance\u003c\/strong\u003e for Harley Davidson® motorcycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProprietary AutoTune technology\u003c\/strong\u003e for automatic real-time fueling adjustments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide-band oxygen sensors\u003c\/strong\u003e to monitor and optimize the air-fuel ratio.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo wire cutting or splicing\u003c\/strong\u003e required for installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug-and-play design\u003c\/strong\u003e—simple and quick setup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eThunderMax ECM Installation: Fast and Easy Plug-and-Play Setup\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e is \u003cstrong\u003e100% assembled and ready to install\u003c\/strong\u003e, meaning you can enhance your Harley’s performance without the need for complicated modifications. There is \u003cstrong\u003eno wire cutting or splicing\u003c\/strong\u003e—simply replace the factory ECM and oxygen sensors, load a map, and enjoy the improved ride.\u003c\/p\u003e\n\u003ch3\u003eHow to Install ThunderMax ECM:\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove the factory ECM\u003c\/strong\u003e and \u003cstrong\u003eoxygen sensors\u003c\/strong\u003e from your Harley Davidson®.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall the ThunderMax ECM\u003c\/strong\u003e and \u003cstrong\u003ewide-band oxygen sensors\u003c\/strong\u003e in place of the stock components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad a pre-configured map\u003c\/strong\u003e or customize it using ThunderMax software.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStart your bike\u003c\/strong\u003e and feel the difference in rideability, power, and performance.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eThis easy installation makes ThunderMax the perfect option for those who want to \u003cstrong\u003eupgrade their Harley Davidson®\u003c\/strong\u003ewith minimal effort.\u003c\/p\u003e\n\u003ch2\u003eAutoTune Technology: Real-Time Fueling Adjustments for Optimal Performance\u003c\/h2\u003e\n\u003cp\u003eOne of the standout features of \u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e is its integration of \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e. This technology uses \u003cstrong\u003ewide-band oxygen sensors\u003c\/strong\u003e to automatically adjust fueling in real-time, providing a smoother, more responsive engine performance.\u003c\/p\u003e\n\u003ch3\u003eHow ThunderMax AutoTune Works:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic fueling adjustments\u003c\/strong\u003e are made at every \u003cstrong\u003e256 RPM\u003c\/strong\u003e and \u003cstrong\u003e1.5-degree throttle increment\u003c\/strong\u003e for more precise control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide-band oxygen sensors\u003c\/strong\u003e continuously monitor and optimize the \u003cstrong\u003eair-fuel ratio\u003c\/strong\u003e for peak engine efficiency.\u003c\/li\u003e\n\u003cli\u003eThe \u003cstrong\u003ebuilt-in barometric sensor\u003c\/strong\u003e adjusts fueling based on ambient air conditions, ensuring your bike runs optimally regardless of altitude or weather changes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time feedback\u003c\/strong\u003e means you don’t have to manually accept adjustments—the changes are \u003cstrong\u003ewritten automatically\u003c\/strong\u003e once you turn off the bike.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBenefits of AutoTune Technology:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved throttle response\u003c\/strong\u003e and acceleration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmoother, more consistent engine performance\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized fuel efficiency\u003c\/strong\u003e for a better ride.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo need to “accept” changes\u003c\/strong\u003e—everything is done automatically.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eThunderMax ECM Tuning Software: Full Customization at Your Fingertips\u003c\/h2\u003e\n\u003cp\u003eFor those who want to take their tuning to the next level, ThunderMax ECM is fully adjustable using \u003cstrong\u003eThunderMax tuning software\u003c\/strong\u003e. The software allows you to fine-tune your motorcycle’s fueling, throttle response, and performance to match your specific needs.\u003c\/p\u003e\n\u003ch3\u003eFeatures of ThunderMax Tuning Software:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable fueling settings\u003c\/strong\u003e for more precise control over engine performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal-time data feedback\u003c\/strong\u003e for more accurate tuning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy-to-use interface\u003c\/strong\u003e for both beginner and experienced riders.\u003c\/li\u003e\n\u003cli\u003eThe ability to load a \u003cstrong\u003ecustom map\u003c\/strong\u003e or choose from pre-loaded base maps to optimize performance for different riding conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThunderMax gives you the flexibility to either go with a \u003cstrong\u003ebasic setup\u003c\/strong\u003e or fully customize your \u003cstrong\u003eHarley Davidson® ECM\u003c\/strong\u003e to suit your personal preferences.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose ThunderMax ECM for Your Harley Davidson®?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e offers unparalleled performance improvements for EFI-equipped \u003cstrong\u003eHarley Davidson® motorcycles\u003c\/strong\u003e. Whether you’re seeking smoother power delivery, enhanced throttle response, or improved fuel efficiency, ThunderMax delivers the best results. With its \u003cstrong\u003eAutoTune technology\u003c\/strong\u003e, \u003cstrong\u003eeasy installation\u003c\/strong\u003e, and \u003cstrong\u003efull adjustability\u003c\/strong\u003e, it is the ultimate tuning solution for any rider.\u003c\/p\u003e\n\u003ch3\u003eBenefits of ThunderMax ECM:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless integration\u003c\/strong\u003e with your Harley Davidson® bike.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved performance\u003c\/strong\u003e with smoother acceleration and better power delivery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic real-time adjustments\u003c\/strong\u003e for maximum efficiency and rideability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple installation\u003c\/strong\u003e with no wire cutting or splicing required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomizable tuning options\u003c\/strong\u003e through ThunderMax software.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eUpgrade Your Harley Davidson® with ThunderMax ECM Today\u003c\/h2\u003e\n\u003cp\u003eIf you're looking to \u003cstrong\u003eupgrade your Harley Davidson®\u003c\/strong\u003e with the latest in motorcycle performance technology, the \u003cstrong\u003eThunderMax ECM\u003c\/strong\u003e is the ideal choice. With its \u003cstrong\u003eaward-winning design\u003c\/strong\u003e, \u003cstrong\u003ereal-time AutoTune adjustments\u003c\/strong\u003e, and \u003cstrong\u003euser-friendly installation\u003c\/strong\u003e, ThunderMax delivers the perfect balance of performance and convenience.\u003c\/p\u003e\n\u003ch3\u003eReady to Maximize Your Harley's Performance?\u003c\/h3\u003e\n\u003cp\u003eDon’t wait—\u003cstrong\u003eupgrade your Harley Davidson® ECM\u003c\/strong\u003e today with \u003cstrong\u003eThunderMax\u003c\/strong\u003e and experience smoother rides, better throttle response, and increased power. Whether you’re looking to enhance your daily ride or take your motorcycle to the next level, ThunderMax is the perfect tuning solution for any Harley rider.\u003c\/p\u003e\n\u003ch2\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/309-588_20_20_20_20P1_20_20_20Installation_20V2016.10.18-5-compressed.pdf?v=1738256051\"\u003eInstallation Instructions\u003c\/a\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/store.thunder-max.com\/pages\/thundermax-emissions-notice\" title=\"ThunderMax Emissions Notice\" target=\"_blank\"\u003eEmissions Notice\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis product is intended for \"RACE READY\" vehicles only and is not for sale or use on vehicles otherwise subject to emission control requirements.  In the state of California, this product should not be used on any vehicle that is registered for use on public roads. Please view the ThunderMax 50 application guide for \"STREET APPROVED\" \u0026amp; ARB compliant products.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003ePart Number: 309-485\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e\u003cstrong\u003eFitment:\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch4 data-start=\"12\" data-end=\"32\"\u003eSportster models\u003c\/h4\u003e\n\u003cp data-start=\"33\" data-end=\"569\"\u003e2012–2013 Harley-Davidson XL1200V Seventy-Two\u003cbr data-start=\"78\" data-end=\"81\"\u003e2011–2013 Harley-Davidson XL883L SuperLow\u003cbr data-start=\"122\" data-end=\"125\"\u003e2011–2012 Harley-Davidson XR1200\u003cbr data-start=\"157\" data-end=\"160\"\u003e2010–2013 Harley-Davidson XL1200X Forty-Eight\u003cbr data-start=\"205\" data-end=\"208\"\u003e2010–2013 Harley-Davidson XL883N Iron 883\u003cbr data-start=\"249\" data-end=\"252\"\u003e2010–2013 Harley-Davidson XL1200C Sportster 1200 Custom\u003cbr data-start=\"307\" data-end=\"310\"\u003e2010–2012 Harley-Davidson XL1200N Sportster 1200 Nightster\u003cbr data-start=\"368\" data-end=\"371\"\u003e2010–2012 Harley-Davidson XR1200X\u003cbr data-start=\"404\" data-end=\"407\"\u003e2010 Harley-Davidson XR1200\u003cbr data-start=\"434\" data-end=\"437\"\u003e2010 Harley-Davidson XL883L Sportster 883 Low\u003cbr data-start=\"482\" data-end=\"485\"\u003e2009 Harley-Davidson XL1200R Sportster 1200 Roadster\u003cbr data-start=\"537\" data-end=\"540\"\u003e2009 Harley-Davidson XR1200\u003c\/p\u003e\n\u003ch4 data-start=\"571\" data-end=\"589\"\u003eSoftail models\u003c\/h4\u003e\n\u003cp data-start=\"590\" data-end=\"725\"\u003e2009 Harley-Davidson FXSTSSE3 CVO Softail Springer\u003cbr data-start=\"640\" data-end=\"643\"\u003e2008–2010 Harley-Davidson FXCWC Rocker C\u003cbr data-start=\"683\" data-end=\"686\"\u003e2008–2009 Harley-Davidson FXCW Rocker\u003c\/p\u003e\n\u003ch4 data-start=\"727\" data-end=\"742\"\u003eDyna models\u003c\/h4\u003e\n\u003cp data-start=\"743\" data-end=\"1246\"\u003e2008–2011 Harley-Davidson FXDF Fat Bob\u003cbr data-start=\"781\" data-end=\"784\"\u003e2007–2011 Harley-Davidson FXDC Super Glide Custom\u003cbr data-start=\"833\" data-end=\"836\"\u003e2007–2010 Harley-Davidson FXD Dyna Super Glide\u003cbr data-start=\"882\" data-end=\"885\"\u003e2007–2009 Harley-Davidson FXDL Dyna Low Rider\u003cbr data-start=\"930\" data-end=\"933\"\u003e2007–2008, 2010–2011 Harley-Davidson FXDWG Dyna Wide Glide\u003cbr data-start=\"991\" data-end=\"994\"\u003e2006–2011 Harley-Davidson FXDB Street Bob\u003cbr data-start=\"1035\" data-end=\"1038\"\u003e2005–2006 Harley-Davidson FXDCI Super Glide Custom\u003cbr data-start=\"1088\" data-end=\"1091\"\u003e2004–2006 Harley-Davidson FXDI Dyna Super Glide\u003cbr data-start=\"1138\" data-end=\"1141\"\u003e2004–2006 Harley-Davidson FXDWGI Dyna Wide Glide\u003cbr data-start=\"1189\" data-end=\"1192\"\u003e2004–2005 Harley-Davidson FXDXI Dyna Super Glide Sport\u003c\/p\u003e","brand":"Drag Specialties","offers":[{"title":"Default Title","offer_id":49392912531703,"sku":"106423","price":1088.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/4452\/8375\/files\/image_92161a2b-0c66-44fb-a19a-cefdb8b0cfa6.jpg?v=1770417045"}],"url":"https:\/\/nowaskey.com\/collections\/vendors-thundermax.oembed","provider":"Nowaskey Extreme Performance","version":"1.0","type":"link"}