The MagnaFlow Pro Series Cat-Back Performance Exhaust System17876 enhances your truck with an exhaust that has been weight-optimized and tuned to produce our famous deep signature sound and dyno-proven performance. 17876's mandrel bent 5in. diameter main piping passes through a 1 Straight-Through mufflers before terminating in a Single Passenger Side Rear exit. Exhaust kit 17876 is engineered to produce Aggressive exterior and Moderate interior sound levels. Installation is made easy thanks to this exhaust system's direct-fit, do-it-yourself design. This cat-back emissions-legal exhaust system is made of durable, corrosion resistant stainless steel and produced using CNC precision robotic manufacturing, all backed by MagnaFlow's limited lifetime warranty.