Toyota Supra 93-98 MKIV Megan Racing Turbo Catback System 4.5" tip with removable double-layer silencer, 3" piping (2.9" ID) 100% stainless steel with polish finish Fits stock down pipe Producing strong, deep and noticeable sound Gain more horse power, faster response, averaging 10-15 extra hp Gaskets and bolts included. One of Megan Racing s strongest products, the Cat-Back System, is made with SUS 304 Stainless Steel with fully polished surface, CNC machined flanges and are mandrel bent. Its aggressive styling, and deep, strong tone are just part of the MR Cat-Back. It is also able to improve horse power and performance with its straight-through design. All Turbo Types have a 3" inlet and a tip that is specially designed to reach the maximum performance, and have a perfect match on body styling. As a direct bolt on, each Cat-Back comes with 12 months warranty.