Resonated cat-back exhaust, Audi S4 / RS4 B5 (1997-2002)
This resonated Milltek cat-back gives the B5 biturbo a sportier character with silenced link pipes. It is the quieter alternative to the non-resonated system for the same applications.
- 63.5 mm pipe diameter
- 304L stainless steel
- Made in the UK
- Resonated version
Fitment and installation
Designed to connect to the original catalysts. The manufacturer specifies rear diffuser modification for the RS4 B5-style outlet arrangement.
The manufacturer lists E approval for the RS4 B5.
Components included in the kit
| Component | Part number |
|---|---|
| Centre silencer | MSAU131 |
| Rear silencer | MSAU132 |
| Resonated link pipes | MSAU144 |
Parts and fitting hardware list (PDF)
Compatible models:
Audi RS4 B5 V6 biturbo Avant, 2000-2002.
Audi S4 B5 2.7T quattro, 1997-2001.
Suomi

