Stage 1 Big Sucker air cleaner kit. OEM cover

Chrome backing plate . For use with OEM air cleaner cover. Designed to pull in the most air possible under the factory air cleaner cover. The backing plate features a patent-pending hidden breather system and a formed aluminum internal design resulting in more performance with no oil blow-bye issues. The integrated patent-pending oil catch makes sure no oil ever touches the massive perimeter-flow air filter. - Increases Horsepower & Torque - Eliminates Oil Blow-bye Issues Associated with M8 Engines - Red Pre-Oiled High Performance Filter - Patented Oil Catch / Reservoir - Patented Hidden Breather Backing Plate - Aluminum Filter Top Plate Design Eliminates Internal Mounting Hardware - Specially Formed Radius Air Inlet & Air Venturi