A quality downpipe is a great way to improve the performance on a turbocharged vehicle. This is the Invidia one-piece catted downpipe that features a 76mm piping diameter combined with smooth mandrel bends that limit turbulence on acceleration. The result is more horsepower, more torque, with reduced turbo lag. This downpipe has been fabricated using quality 304 stainless steel materials to provide you with a lifetime of performance. It will bolt right up to the stock cat back exhaust system, or any stock replacement exhaust systems.