Overview
Milltek Non-Resonated Cat-Back Exhaust System for Audi B6 S4 4.2 V8 Quattro (Saloon, Avant, Cabriolet). Direct factory fitment replacement engineered to replace OEM setup with no modification required.
Constructed from T304L stainless steel with 2.25" (57.15mm) mandrel-bent piping. Non-resonated design maximizes exhaust scavenging for enhanced flow and a full-throttle tone character that rewards hard driving. GT100 polished stainless tips provide aesthetic completion. Uses OEM hangers and suspension points for seamless integration.
Details
Fitment Notes
- Audi B6 S4 Saloon (2003-2005)
- Audi B6 S4 Avant (2003-2005)
- Audi B6 S4 Cabriolet (2003-2005)
- Engine: 4.2L V8 Quattro
Engineered to exhilarate: T304L hand-finished construction, mandrel-bent bends, and OEM+ fitment.
Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.
