The Scorpion Red Power Car Exhausts are packed with features... Specifications Include: Designed Specifically for the Nissan 350Z 2003 - 2010 Y-Piece Replacement Includes the following components: Left hand flex Right hand flex Y-piece Fitting kit Pipe Diameter - 63.5 mm (2.5") Fits To - OEM & Scorpion systems Red Power - Built to stir your soul! Warranty - All Scorpion exhausts come with a lifetime warranty British Manufactured - All Scorpion exhausts are hand crafted by Scorpion automotive engineers in Derbyshire, UK Fittings/Instructions - All Scorpion products are supplied with everything needed to fit and ride, along with parts drawings and picture instructions where necessary