Big Sucker™ Stage I Air Cleaner Kit – Chrome (OEM Cover Compatible)

Premium Hidden Breather Air Cleaner for Harley-Davidson Touring & Trike Models (2008–2013)

The Big Sucker™ Stage I Air Cleaner Kit is a proven performance upgrade designed for Harley-Davidson Touring and Trike models. Featuring hidden breather technology and a radius air inlet, it eliminates external hoses for a cleaner, more efficient engine breathing system while maximizing airflow and throttle response. Built with a one-piece aluminum backing plate and a pre-oiled surgical-grade cotton filter, this kit enhances both performance and longevity — all while maintaining OEM cover compatibility and classic chrome appeal.

⚠️ WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov
CARB Exempt: Per Executive Order (E.O.) #D-639-10, for 2001–2022 EFI models only.

Key Features

• Hidden breather system O-ringed at the heads and vented at the mouth for efficient, hose-free breathing
• Radius air inlet provides smooth, unrestricted airflow for optimal performance
• One-piece aluminum backing plate with integrated breathers for clean installation
• Pre-oiled red filter made from surgical-grade cotton for maximum filtration and airflow
• Washable and reusable filter — built for long service life
• Accepts OEM air cleaner covers for a stock look with performance gains
• Includes all necessary hardware and installation instructions
• Made in the USA

Performance & Fitment

The Big Sucker™ Stage I Air Cleaner (Chrome) fits a wide range of Harley-Davidson Touring and Trike EFI models (2008–2013) — including Road King, Street Glide, Electra Glide, Road Glide, and Tri Glide Ultra. Ideal for both stock and upgraded engines, it delivers measurable gains in airflow and midrange torque while maintaining reliable operation and OEM functionality. A perfect match for Nowaskey Performance builds and Hofmann Designs baggers focused on precision and power.

Compatible Models Include:

• Touring: Road King, Street Glide, Road Glide, Electra Glide, Ultra Classic, Ultra Limited (2008–2013)
• CVO Models: CVO Road King, CVO Street Glide, CVO Ultra Classic (2008–2013)
• Trike: Tri Glide Ultra, Street Glide Trike (2009–2013)
• Police Models: FLHTPI Electra Glide Police (2008–2013)

Model: Big Sucker™ Stage I
Design: Hidden Breather System
Material: Aluminum
Color/Finish: Chrome
Filter Media: Surgical-Grade Cotton (Pre-Oiled, Washable)
Shape: Round
Features: Compatible with OEM Air Cleaner Covers
Units: Kit
Weight: 2.86 lbs
Dimensions (L x W x H): 9.13" x 8.07" x 5.66"
Country of Origin: Made in the USA