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...

Performance air filters for Stage 1 Big Sucker Air Cleaners. Made from the finest materials available, each Big Sucker air filters provides added airflow while filtering out harmful debris Each...

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...

Replacement and optional components for all Ness Billet Sucker and Big Sucker air filter kits Compatible Vehicles Years Make Make Notes 2011-2013 Harley-Davidson Blackline...

Replacement gasket, washer, and o-ring kit for all Arlen Ness Stage 1 or 2 Billet Sucker and Big Sucker air filter kits Compatible...

Replacement and optional components for all Ness Billet Sucker and Big Sucker air filter kits

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...

The Inverted air cleaners forged billet design maximizes airflow by pulling in air from all directions including the face of the air cleaner. Each performance air filter features an inverted pleated...

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...