Item is 100% New, Never used or installed. Made from true T304 Stainless Steel. Pipe Diameter: 3" Mandrel Bent Piping with TUG welded CNC flanges Get rids of restricting cat pipes. (catless, decat, test pipe) Gives instant horsepower by removing restrictive stock downpipe. Gives gains of 10-15hp Features Two o2 sensor location. Product does not come with installation instructions, please refer to a shop/factory manual for installation