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 !
Direct bolt on
100% T304 grade stainless steel
Audi S4 B9 - 16-21 3.0 TFSI - 354
Audi S5 8W (B9) - 16-... 3.0 TFSI 354