aFe Power Magnum FORCE 51-81072 GM Truck/SUV Performance Intake System (Dry, 3-Layer Filter) Outflows the factory intake by up to 31% . Produces an additional 11 max horsepower and 23 lbs. x ft. torque 3-Layer non-oiled, washable synthetic media for the perfect balance of performance, protection and convenience Heat-shielding molded plastic housing with an auxiliary inlet duct and an attractive black aluminum cover Heat-insulating molded plastic tube replaces the stock intake tract; includes 3-angle adaptor with a built in mass air flow sensor pad This product is 50-state legal (CARB E.O Number D-550-13)