Milltek Sport Cat-Back Exhaust system. Premium aircraft-grade 304 stainless steel, precision TIG-welded, bolt-on fit. Made in UK.
Product Highlights:
- 304L aircraft-grade stainless steel
- Precision TIG-welded construction
- Direct bolt-on replacement
- Performance gains + improved exhaust tone
Options Available:
- Sound Level: Non-Resonated (Louder), Resonated (Quieter)
Milltek Part Numbers:
- SSXAU337 — Non-resonated (louder). Uses OE tailpipe trims
- SSXAU336 — Resonated (quieter). Uses OE tailpipe trims
- SSXAU338 — US-Spec. Uses OE tailpipe trims
Vehicle Compatibility
This exhaust is confirmed to fit the following vehicles:
- Audi RS4 B8 4.2 FSI quattro Avant (2012 to 2015)