3 IN 304 Stainless Steel Construction:This dpf-back exhaust system is constructed of 3 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. Quad Black Tips:Quad 4" black 304 stainless steel exhaust tips replace the factory tips for an aggressive, custom sport truck look. Mild Sound:This system produces a mild sound unleashing all available horsepower and torque. Installation:Some cutting may be required, see instruction sheet for further information. Utilizing factory style hangers this system mounts directly to factory mounting locations for a hassle-free installation. Computer-Aided Design:State-of-the-art computer-aided design technology is utilized for precise vehicle fitment. MIG-Welded:100% MIG-Welded for race-proven strength and durability. aFe POWER exhaust systems are engineered and manufactured in our Corona, California facility. Emissions Disclaimer: This product does not require a CARB EO#