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 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 Stage 2 Cover 
• Increases Horsepower & Torque 
• 20% Larger Filter Than Stage 1 
• Patented Hidden Breather Technology 
• Pre-Oiled & Synthetic High Performance Filters
• One-Piece Aluminum Backing Plate 
• Radius Air Inlet for Unobstructed Airflow