aFe Power Magnum FORCE  54-10932-1 Dodge Diesel Trucks 03-09 L6-5.9/6.7L (td) Performance Intake System (Oiled, 5-Layer Filter) Outflows the factory intake by 80%. Produces an additional 21 horsepower and 53 lbs. x ft. torque 5-Layer progressively finer oiled, washable cotton gauze media allows maximum airflow for maximum power One-piece heat shield requires little or no assembly Heat-insulating molded plastic tube replaces the stock intake tract This product is 50-state legal (CARB E.O Number D-550-4)