aFe Power Magnum FORCE 75-11902-1 Ford F-150 Performance Cold Air Intake System (Oiled, 7-Layer Filter) Outflows the factory intake by up to 47%. Produces an additional 18 horsepower and 22 lbs. x ft. torque max gains 7-Layer oiled, washable media with 5 layers of progressively finer cotton gauze and 2 layers of synthetic material for high-performance air flow with maximum filtration efficiency, the only filtration media of its kind to be granted a U.S. patent One piece powder-coated heat shield snaps onto the lower half of the factory air box Maintenance-free wrinkle black powder-coated tube replaces the stock intake tract This product is 50-state legal (CARB E.O Number D-550-15)