Aggressive Performance Sound. Proven Ground C&L Series Cat-Back Exhaust Systems are designed to give your truck an aggressive performance sound under acceleration and a nice tone at idle. With high-flow, mandrel-bent piping and a chambered muffler, this C&L Series 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 C&L Series 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, chambered muffler and a pair of 3.5-inch, polished, 304 stainless steel exhaust tips.Bolt-On Installation. Proven Ground engineered their C&L Series 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 C&L Series Dual Exhaust System with Polished Tips; Side/Rear Exit is designed to fit 2010-2014 6.2L F-150 Raptor models.