aFe Power Magnum FORCE 54-11972-1B Ford Super Duty Performance Air Intake System (Oiled, 5-Layer Filter) Outflows the factory intake by up to 47%. Produces an additional 18 horsepower and 22 lbs. x ft. torque max gains 5-Layer progressively finer oiled, washable cotton gauze media allows maximum airflow for maximum power Black heat shield snaps onto the top of the lower half of the factory air box Wrinkle black powder-coated aluminum tube replaces the stock intake tract This product is 50-state legal (CARB E.O Number D-550-15)