Aggressive Performance Sound. Proven Ground Dual Exhaust Cat-Back Exhaust Systems are designed to give your truck 1500 an aggressive performance sound under acceleration and a nice tone at idle. With high-flow, mandrel-bent piping and muffler, this Dual Cat-Back will also improve your truck's exhaust flow for an increase in overall power and performance.Quality Construction. Proven Ground proudly manufactures their Dual Exhaust Cat-Back Exhaust systems from mandrel-bent 2.5-inch diameter, premium grade, 409 stainless steel tubing for excellent exhaust flow and enduring corrosion resistance. This system features a high flow muffler and a pair of black finished, stainless steel exhaust tips.Bolt-On Installation. Proven Ground engineered their Dual 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. Please note that minor trimming of the front and mid pipe may be required. Clamps and instructions are provided.Application. This Proven Ground Dual Exhaust System with Black Tips; Rear Exit is designed to fit 2009-2018 5.7L HEMI truck models equipped with a Factory Dual Exhaust.