ARLEN NESS Performance Air Filter Kit - Stage II - Blue 600-189

Performance Air Filter Kit - Stage II - Blue Increase performance & add style to the engine , Features a performance filter with a pleated top to take in air from the sides & top of the filter for maximum airflow , Filter cover, spacers & clamps are all CNC machined from billet aluminum , Performance air filter is made from high-flow black pre-oiled cotton media , Increased filter height specially designed to increase airflow without reducing leg room , Over 50% more air filter surface area than paper filters found in factory oval air cleaners, Dyno testing has shown up to a 3 horsepower increase after installing the upgrade filter on factory displacement M8 engines; up to 5hp gain for 124* big bore M8 engines, Kit Includes:, One performance filter, One billet air cleaner cover, Four billet spacers, Four clamps, Four mounting bolts