Big Sucker Black Knuck Stage 1 Air Filter Kit for Harley Davidson

Black anodized Knuckle billet outer shell.
High-flow air filter element made of cotton gauze, pre-greased with black oil.
This Stage 1 high-performance air filter kit for M8 models is perfect for those who feel the original is not enough.
It offers easy bolt-on installation and an improved appearance.
The support plate design (patent pending) is engineered to maximize airflow velocity, resulting in increased horsepower and torque across the entire RPM range.
- Increases power and torque compared to the original
- Pre-greased high-flow filter element
- Top filter plate with integrated support and venturi
- Integrated soft radius air intake that starts at the edge of the air filter and ends at the throttle body opening
- The filter ring design covers the urethane rim of the filter once installed, for a seamless appearance
- Compatible with all Arlen Ness® Stage 1® outer covers.

Fits: >23-25 ​​FLT/Touring; 24-25 FLHX; FLHXU 2025; FLTRX 24-25; FLHXSE 23-25; FLTRXSE 23-25; FLTRXSTSE 24-25