Fitment Information Infiniti G35 Sedan RWD only(2003, 2004, 2005, 2006) Must Use 2003-2004 Exhaust Mount Hanger.  Otherwise, Direct Bolt-On Does not fit AWD models Emissions Compliance This exhaust does not alter, replace, or modify any emissions equipment. Specs & Features T-304 Stainless Steel Inlet: 60mm ID Tip: 114mm O.D. 1-Year Warranty Against Manufacturer Defects Closed Course, Off-Highway Use Only One of Megan Racing's strongest 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 MR Cat-Back characteristics. It also serves to improve horsepower, torque and overall performance with its straight-through design. 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 against manufacturer defects Redline360 is an authorized Megan Racing dealer and sells only genuine and authentic Megan Racing Products.