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:
- Tip Finish: Cerakote Black, Polished, Titanium
- Sound Level: Non-Resonated (Louder), Resonated (Quieter)
Milltek Part Numbers:
- SSXAU331 — Non-resonated (louder) - Recommended with Valve Delete Modules SSXAU405 to prevent ECU fault codes
- SSXAU737 — Non-resonated (louder) with Cerakote Black Tips - Recommended with Valve Delete Modules SSXAU405 to prevent ECU fault co
- SSXAU448 — Non-resonated (louder) with Cerakote Black tips. Some 2016 and later models have an updated valve location on one rear s
- SSXAU443 — Non-resonated (louder) with Polished tips. Some 2016 and later models have an updated valve location on one rear silence
- SSXAU445 — Non-resonated (louder) with Titanium tips. Some 2016 and later models have an updated valve location on one rear silence
- SSXAU560 — Resonated (quieter) with Cerakote Black tips - Recommend with Valve Delete Modules SSXAU405 to prevent ECU fault codes
- SSXAU447 — Resonated (quieter) with Cerakote Black tips. Some 2016 and later models have an updated valve location on one rear sile
- SSXAU332 — Resonated (quieter) with Polished tips - Recommended with Valve Delete Modules SSXAU405 to prevent ECU fault codes
- SSXAU444 — Resonated (quieter) with Polished tips. Some 2016 and later models have an updated valve location on one rear silencer m
- SSXAU561 — Resonated (quieter) with Titanium tips - Recommended with Valve Delete Modules SSXAU405 to prevent ECU fault codes
- SSXAU446 — Resonated (quieter) with Titanium tips. Some 2016 and later models have an updated valve location on one rear silencer m
Vehicle Compatibility
This exhaust is confirmed to fit the following vehicles:
- Audi S6 4.0 TFSI C7 quattro (2012 to 2018)