aFe Power Magnum FORCE 54-10082 Ford F-150 Performance Cold Air Intake System (Oiled, 5-Layer Filter) Outflows the factory intake by up to 46%. Produces an additional 12 horsepower and 13 lbs. x ft. torque max gains 5-Layer progressively finer oiled, washable cotton gauze media allows maximum airflow for maximum power 3-angle adaptor speeds up the air flow after the air filter for improved performance and throttle response Fits the 5.4L 24-Valve Only. IT DOES NOT fit the 32-Valve models This product is 50-state legal for 2001-2003 models (CARB E.O Number D-550-3)