aFe Power Magnum FORCE 54-11172 Toyota Tundra Performance Intake System (Oiled, 5-Layer Filter) Outflows the factory intake by up to 50%. Produces an additional 18 horsepower and 25 lbs. x ft. torque max gains. 5-Layer progressively finer oiled, washable cotton gauze media allows maximum airflow for maximum power One-piece, black powdercoated 18-gauge heat shield uses factory mounting locations Heat-insulating molded plastic tube replaces the stock intake tract This product is not CARB exempt at this time and is not legal for sale in California or use on vehicles registered with the California Department of Motor Vehicles. Uses Pro 5R Filter for Maximum Air Flow Rotomolded Plastic Tube for Maximum Air Flow Increased Horsepower and Torque Improved Throttle Response and Mileage Replaced Factory Intake for improved Horsepower, Torque and Styling