Circuit Werks Latest MK7 High Flow Catted Downpipe. Free up your engine with this catted Downpipe! Increase power and improve the sound of your MK7. This is direct replacement for the factory Front pipe, but with larger size pipe diameter. Features a high flow catalytic converter and is made from high Quality stainless steel and hand TIG Welded. All of these features combine to provide a free flowing exhaust outlet for high energy exhaust gases to reduce turbo back pressure and increase turbo efficiency.