aFe Power Magnum FORCE 54-10882 GM Diesel Truck 06-07 V8-6.6L (td) LLY/LBZ Performance Intake System (Oiled, 5-Layer Filter) Outflows the factory intake by 71% . Produces an additional 4 horsepower and 12 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)