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$1,088.95
ThunderMax is an award-winning performance ECM designed specifically for EFI-equipped Harley Davidson® motorcycles. This advanced, stand-alone tuning system utilizes proprietary AutoTune technology and wide-band oxygen sensors 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.
ThunderMax comes fully assembled, so you can install it quickly and easily. There’s no wire cutting or splicingnecessary—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.
ThunderMax utilizes AutoTune technology to continuously adjust fueling at every 1.5 degrees of throttle and 256 RPM. This ensures optimal performance and a smoother running engine across a wide range of riding conditions. With wide-band O2 sensors, ThunderMax provides dynamic and precise adjustments to the air-fuel ratio, giving you complete control over your bike's performance.
The built-in wide-band O2 sensors of ThunderMax continuously monitor your bike's air-fuel ratio and provide real-time feedback 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.
ThunderMax is fully adjustable with ThunderMax tuning software, 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.
If you prefer a simpler approach, ThunderMax allows you to load a pre-configured basemap and get riding immediately. This basemap provides a solid starting point for performance improvement, and you can always make further adjustments as you go.
ThunderMax is the ideal performance ECM for riders who want precise fuel control, smooth rideability, and enhanced power. With its AutoTune technology, wide-band O2 sensors, and easy installation, ThunderMax delivers reliable performance upgrades without the hassle.
Upgrade your ride with ThunderMax today, and experience the ultimate combination of precision, power, and ease-of-use on your Harley Davidson®.
Answer a few quick questions, and we’ll match you with the suspension setup that fits your ride, style, and performance goals.