Overview
Milltek Non-Resonated Cat-Back Exhaust System for Audi B6 S4 4.2 V8 Quattro (Saloon, Avant, Cabriolet). Direct factory fitment replacement engineered for enhanced exhaust flow and aggressive sound character without resonance chamber filtering.
Constructed from T304L stainless steel with mandrel-bent 2.25" (57.15mm) primary tubes and hand-finished polished trim rings. Uses original OEM hangers and mounts-no modification required. Non-resonated design eliminates acoustic dampening for full-throttle performance note.
Details
Fitment Notes
- Audi S4 B6 4.2 V8 Quattro Saloon
- Audi S4 B6 4.2 V8 Quattro Avant
- Audi S4 B6 4.2 V8 Quattro Cabriolet
Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.
Fitment
| Years | Make | Model | Engine Family | Engine | Trim |
|---|---|---|---|---|---|
| 2004-2005 | Audi | S4 | 4.2 V8 | All |
