Give your 2005-'10 GT or 2007-'10 GT500 race-proven performance and a powerful deep muscle-car sound to match, with a PowerFlo™ rear-axle back exhaust system from SLP Performance Parts. This exhaust kit includes a pair of our PowerFlo™ mufflers, which use a straight-through design and ceramic-wrapped perforated core to significantly outflow traditional chambered and turbo-type mufflers. Combined with our all new 4" polished tips, you'll really feel and hear the difference! PowerFlo™ Axle-Back Exhaust System features: PowerFlo™ mufflers offer minimal flow restriction and a deep, rich performance sound Lighter than the OEM muffler assembly Installs in under 30 minutes Constructed entirely from stainless steel Hand-polished mufflers and 4" dual-wall tips provide a show quality appearance Emissions legal in all 50 states Includes pre-welded hangers, detailed instructions, and all necessary installation hardware Covered by SLP's Performance Guarantee and limited lifetime warranty