Performance Sound. Add an exciting exhaust note to the sound of your 5.3L truck's exhaust with a Proven Ground Dual Exhaust System. This Proven Ground Exhaust features an oval, straight-through perforated muffler that will produce an aggressive performance sound under acceleration, but a mellow tone at idle. Besides an increase in sound, this Cat-Back, with its full mandrel bent piping, will reduce restrictions giving your Silverado a more free-flowing exhaust for gains in both power and performance.Quality Construction. Proven Ground proudly manufactures their Cat-Back Exhaust systems from mandrel-bent, 3-inch diameter, premium grade, 409 stainless steel tubing for excellent exhaust flow and enduring corrosion resistance. This system features an oval, straight-through perforated muffler and includes a pair of polished, 304 stainless steel exhaust tips.Bolt-On Installation. Proven Ground engineered their Cat-Back Exhaust to be a direct bolt-on upgrade replacement. This Exhaust System will easily bolt straight up to the factory piping for an easy straight forward installation. Clamps and instructions are provided.Application. This Proven Ground Dual Exhaust System with Polished Tips; Rear Dual or Side Exit is designed to fit 2014-2018 5.3L truck Double Cab and Crew Cab models.