aFe Power Magnum FORCE 54-30392 Ford Diesel Truck 03-07 V8-6.0L (td) Performance Intake System (Oiled, 5-Layer Filter) Outflows the factory intake by 31%. Produces an additional 9 horsepower and 39 lbs. x ft. torque 5-Layer progressively finer oiled, washable cotton gauze media allows maximum airflow for maximum power Powder-coated one piece housing utilizes stock mounting locations Heat-insulating molded plastic tube replaces the stock intake tract This product is 50-state legal (CARB E.O Number D-550-4)