Black Mamba Decat Downpipe for Audi S4 B9 / S5 B9 3.0 TFSI, engineered using premium T304 stainless steel with mandrel-bent and TIG hand-welded construction for optimal durability and exhaust flow. This direct bolt-on upgrade enhances performance while delivering a more aggressive exhaust note. Optional anti-thermal stainless steel heat shields are available to minimize heat spread in the engine bay.

Direct bolt-on installation

100% T304 stainless steel construction

TIG-welded for superior strength

Optional heat shield for thermal protection

Aggressive exhaust tone

Complete hardware kit included

Lifetime warranty