aFe Power Magnum FORCE 54-10551 Ford Ranger/Mazda B4000 Performance Air Intake System (Oiled, 5-Layer Filter) Outflows the factory intake by up to 110%. Produces an additional 15 horsepower and 20 lbs. x ft. torque max gains 5-Layer progressively finer oiled, washable cotton gauze media allows maximum airflow for maximum power Black powder coated heat shield Replaces the factory intake box and uses the factory inlet tube This product is 50-state legal (CARB E.O Number D-550-3)