This cat-back exhaust system is constructed of 2-1/2 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. This system produces a deep sound unleashing all available horsepower and torque. Utilizing factory style this system is a direct bolt-on system, which requires no cutting or modifications for a hassle-free installation. 100% MIG-Welded for race-proven strength and durability.