Major Performance Developments Stainless Steel 3 Decat downpipe Audi TT MK1 1.8T 225 Quattro Coupe & Roadster. This MPDevelopments Decat downpipe is 3 from start to finish, hand made using stainless steel 304 including the flexi! To ensure a strong weld that will last, all of our downpipes are fully tig welded and back purged hand made in the UK! Audi TT MK1 1.8T 225BHP Quattro. Unlike some of the cheaper downpipes available these downpipes will connect to your original exhaust or aftermarket system using the correct adapter.For a Discounted price please checkout our website. For more information please send us a message. Please check out our other listings!