Description

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 inside the mouth of the throttle body, eliminating the need for any external hoses or hardware

• 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

California Air Resource Board: Executive Order D-639-12

IR CLEANER BACKING PLATE:

• Made from aluminum and finished to spec by CNC machine 
• The backing plate’s one-piece design features our patented hidden breather technology, each breather is o-ringed at the heads and exits at the mouth of the throttle body. This creates a virtually closed look system which eliminates the need for any external hoses or hardware
• Smooth radius air inlet engineered to provide maximum airflow directly into the engine 
• Available finishes: Standard Raw / Chrome / Black Powdercoat 

PERFORMANCE AIR FILTER:

• Each Big Sucker® performance filter is handmade in the USA 
• 20% larger filter then Stage 1 
• Performance filters are available in red pre-oiled cotton or synthetic elements
• Red pre-oiled cotton performance filters are made from 4 layers of surgical grade cotton.  Filters are washable/re-useable, filter service kits are available separately
• Synthetics performance filters are made from a black synthetic filter element that is wrapped in a stainless steel jacket. Synthetic filters are water resistant and do not require oil, they are also washable/re-useable 

AIR CLEANER COVERS AND COMPONENTS:

• Accepts Arlen Ness® Stage 2 custom covers
• Will NOT accept factory air cleaner covers