aFe Power Magnum FORCE 75-12322 GM Diesel Truck 13-15 V8-6.6L (td) LML Performance Intake System (Oiled, 7-Layer Filter) Outflows the factory intake by 33% . Produces an additional 36 horsepower and 63 lbs. x ft. torque 7-Layer oiled, washable media with 5 layers of progressively finer cotton gauze and 2 layers of synthetic material for high-performance air flow with maximum filtration efficiency, the only filtration media of its kind to be granted a U.S. patent One-piece heat shield with two built-ingrille side fresh air scoops and two rows of louvers that bring in additional outsideair Constant 5" heat-insulating, molded plastic intake tube and unique silicone turbo adaptor 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.