aFe Power Magnum FORCE 54-12662 Jeep Grand Cherokee SRT-8 (WK2) Performance Intake System (Oiled, 5-Layer Filter) Outflows the factory intake by up to 37% . Produces an additional 28 horsepower and 28 lbs. x ft. torque 5-Layer progressively finer oiled, washable cotton gauze media allows maximum airflow for maximum power One-piece black powder-coated heat shield Powder coated mandrel bent aluminum tube replaces the stock intake tract