This system fits all V6V8 engines and produces an astonishing 9 HP and 15lbs. x ft. torque at the wheels. The cat - back design is constructed using 3 mandrel - bent 409 stainless steel, free - flowing muffler, OE style bayonet hangers, band clamps and all hardware necessary for a hassle - free installation. The smooth curves and increased diameter of the exhaust system helps remove horsepower robbing restriction and keeps exhaust gas flowing smoothly for increased horsepower and torque. The system is finished off with an aggressive black 304 stainless steel, rolled slash cut tip for an aggressive style.