Air Filters

Big Sucker® Stage 1 air cleaners are engineered and proven to give your engine maximum airflow for more horsepower and torque. The patented hidden breather backing plate is o-ringed at the heads and exits inside the mouth of the throttle body for a...

Big Sucker® Stage 1 air cleaners are engineered and proven to give your engine maximum airflow for more horsepower and torque. The patented hidden breather backing plate is o-ringed at the heads and exits inside the mouth of the throttle body for a...

Big Sucker™ Stage 2 air cleaners retain all the performance gaining features of the Stage 1 plus a 20% larger filter fore even more airflow. Each Stage 2 features our patented hidden breather backing plate that is o-ringed at the heads and exits...

Big Sucker™ air cleaners are engineered and proven to give your engine maximum airflow for more horsepower and torque. For use with factory air cleaner cover Increases Horsepower and Torque Patented Hidden Breather Technology Pre-Oiled and Red...

Big Sucker™ air cleaners are engineered and proven to give your engine maximum airflow for more horsepower and torque. The backing plate features a new patent-pending hidden breather system and a formed aluminum internal design resulting in more...

Big Sucker™ air cleaners are engineered and proven to give your engine maximum airflow for more horsepower and torque. Specially designed for Sportster models with factory oval style air cleaner covers, these kit utilize a Stage 1 sized filter For...

Big Sucker™ air cleaners are engineered and proven to give your engine maximum airflow for more horsepower and torque. Specially designed for Sportster models with factory oval style air cleaner covers, these kit utilize a Stage 1 sized filter For...

Big Sucker™ air cleaners are engineered and proven to give your engine maximum airflow for more horsepower and torque. Specially designed for Sportster models with factory oval style air cleaner covers, these kit utilize a Stage 1 sized filter For...

Performance air filter upgrade for factory HD Ventilator® oval air cleaners equipped with factory oval air cleaners Each filter is made from high-flow black pre-oiled cotton media wrapped in a stainless-steel jacket for optimum airflow with a unique...

Increase performance & add style to the engine Features a performance filter with a pleated top to take in air from the sides & top of the filter for maximum airflow Filter cover, spacers & clamps are all CNC machined from billet...

Big Sucker® Stage 1 performance intake adds new features to the original industry leading air cleaner. The new patented hidden breather system is o-ringed at the heads, passes through the backing plate and exits inside the mouth of the throttle body...