SLP 31660 - SLP PowerFlo GM Truck & SUV Cat-Back Exhaust Systems

Bolt on a SLP PowerFlo Stainless Steel Catalyst-Back Exhaust System and pump up the power and efficiency of your 1999-07 Silverado/Sierra including "Classic" (GMT 800 Series only). This 100% mandrel-bent system is equipped with an ultra-low-restriction muffler for optimal performance and features our exclusive 3.5" double-wall tips for unmatched appearance. Expect increases of up to 12 hp and that deep, muscle-car rumble you'll only get from SLP. Each pickup truck system includes 45º angle adapters, allowing for rear-or side-exit tailpipe configuration.