aFe Power Momentum GT 54-73112 Ford F-150 Performance Cold Air Intake System (Oiled, 5-Layer Filter) Outflows the factory intake by up to 66%. Produces an additional 21 horsepower and 27 lbs. x ft. torque max gains 5-Layer progressively finer oiled, washable cotton gauze media allows maximum airflow for maximum power Unique (Patent Pending) filter-to-housing interface CAD designed, dyno-tuned, roto-mold intake tube This product is not CARB exempt at this time and is not legal for sale in California or use on vehicles registered with the California Department of Motor Vehicles.