One of Megan Racing's strongest selling products, the Cat-Back System is made of SUS-304 Stainless Steel with a fully polished surface, CNC machined flanges and mandrel bends. Its aggressive styling, and deep, strong tone are just part of the Megan Racing Cat-Back characteristics. It also serves to improve horsepower, torque and overall performance with its straight-through design. The exhaust systems have 2.5¡± piping and 3¡± piping for certain forced induction models. Finished with a tip that is designed to increase the scavenging effect and achieve maximum performance, while adding a perfect match on exterior styling as well. As a direct bolt on, each Cat-Back comes with a 12-Month warranty.