aFe Power Magnum FORCE 54-11312 Performance Intake System for Ford Mustang (Oiled, 5-Layer Filter) Outflows the factory intake by up to 100%. Produces an additional 13 horsepower and 11 lbs. x ft. torque max gains. 5-Layer progressively finer oiled, washable cotton gauze media allows maximum airflow for maximum power One-piece heat shield uses factory mounting locations and comes with all brackets and hardware for a hassle-free installation Molded plastic tube replaces the stock intake tract This product is 50-state legal (CARB E.O Number D-550-31)