Audi S4 / S5 B9 3.0T Alpha Competition Decat Downpipe

This Alpha Competition decat downpipe made from high quality mandrel bent and TIG hand welded T304 stainless steel is a direct bolt on upgrade for the 3.0 TFSI engine of the Audi S4 B9 and S5 B9. With a high manufacturing quality, this downpipe coming with his installation kit is for sure the best bang for your buck on the market with an high flow structure and optional anti-thermal stainless steel heat shields designed to limit the spread of heat in the engine bay.