Performance Gains:This system produced gains of up to +14 HP and +14 lbs. x Ft. TQ., as measured on our in-house dyno. 2-1/2 IN 304 Stainless Steel Construction:This cat-back exhaust system is constructed of 2-1/2 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. High-Flow 304 Stainless Steel Muffler:This system features a high-flow 304 stainless steel muffler, producing a deep sound. 3-1/2 IN Diameter Black Exhaust Tip:Finishing off this exhaust system is a 3-1/2 IN diameter black 304 stainless steel exhaust tip. The tip features a laser etched aFe POWER logo for a unique style. Deep Sound:This system produces a deep 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. Emissions Disclaimer:This product does not require a CARB EO#. aFe POWER exhaust systems are engineered and manufactured in our Corona, California facility.