Use this MagnaFlow exhaust system when you want to enhance your driving experience. Whether you're cruising on the highway or showing off in the city, it's perfect. Targeted at Jeep Grand Cherokee owners who want better performance and a cool sound. The main piping is 2.5 inches, and it has 3.5 - inch polished welded - on double - wall angle - cut rolled - edge tips. It's made with CNC precision robotic manufacturing techniques for a great fit and long - lasting quality.