Y-pipe downpipe for Audi A4 A6 1.8T B5, Passat 1.8T 3B 3BG ø 63mm 2.5" made of stainless steel

- Downpipe for Audi A4 B5, A6 C5, 1.8T and Passat 1.8T made of stainless steel Description: - The Y-pipe sits between the catalytic converter and the exhaust system. It is screwed to the original catalytic converter or our plug&play 200 cell catalytic converter with article no. 340106 can be used. It has a cross-section of 63mm (original 54mm), an Interlook flex pipe and holder are installed. The larger downpipe reduces the back pressure, relieves the turbo and allows more power to be delivered, up to 330 hp depending on the components installed. The pipe is bent and only welded at the flex piece and flange. To get to the original exhaust system you have to use a reduction sleeve of 63>54mm, but mostly larger exhaust systems are used for tuning. suitable for: - Audi A4 1.8T B5 (8E) 150-180PS - Audi A6 1.8T C5 150-180PS - Skoda Superb 3U4 1.8T 150PS AWT - Passat 1.8T B5 (Type 3B) - Passat 1.8T 5B GP (Type 3BG) AEB /APU /ANB 150PS and also for the following upgrade turbochargers: - Borgwarner K04-015 53049880015 - Borgwarner K04-015 / K06 - Borgwarner K04-015 / TFSI Compressor wheel registration: For an individual approval according to §21 StVZO, please ask your TÜV inspector. We would like to point out that the installation of this article constitutes a modification which invalidates the vehicle's operating license according to the StVZO. Not permitted for use on public roads.