aFe Power Magnum FORCE 51-10082 Ford F-150 Performance Cold Air Intake System (Dry, 3-Layer Filter) Outflows the factory intake by up to 46%. Produces an additional 12 horsepower and 13 lbs. x ft. torque max gains 3-Layer non-oiled, washable synthetic media for the perfect balance of performance, protection and convenience 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)