Big Suckerâ„¢ 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 inside the mouth of the throttle body, eliminating the need for any external hoses or hardware
- Smooth Cover StyleÂ
- Increases Horsepower & TorqueÂ
- 20% Larger Filter Than Stage 1Â
- Patented Hidden Breather TechnologyÂ
- Pre-Oiled High Performance Filters
- One-Piece Aluminum Backing PlateÂ
- Radius Air Inlet for Unobstructed Airflow Â
California Air Resource Board: Executive Order D-639-12_R-01