3 409 Stainless Steel Construction This muffler delete pipe is constructed from 3 mandrel - bent 409 stainless steel tubing for maximum strength and durability. Installation Utilizing factory style flange and hangers this system is a direct bolt - on system, which requires no cutting or modifications for a hassle - free installation. Computer - Aided Design Utilizing factory style flange and hangers this system is a direct bolt - on system, some cutting is required. MIG Welded 100 MIG welded for race - proven strength and durability. Fitment Note Will fit both the factory single and the factory dual exhausts. Emissions Disclaimer This product does not require a CARB EO. aFe POWER exhaust systems are engineered and manufactured in our Corona, California facility.