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: Burnt Titanium, Carbon, Cerakote Black, Polished, Titanium
- Sound Level: Non-Resonated (Louder), Resonated (Quieter)
- Tip Style: GT-100, JET-100, Oval
Milltek Part Numbers:
- SSXAU656 — Cat Back Non-Resonated (Louder) with Quad Cerakote Black Oval Trims
- SSXAU653 — Cat Back Non-Resonated (Louder) with Quad GT-100 Burnt Titanium Trims
- SSXAU651 — Cat Back Non-Resonated (Louder) with Quad GT-100 Cerakote Black Trims
- SSXAU650 — Cat Back Non-Resonated (Louder) with Quad GT-100 Polished Trims
- SSXAU652 — Cat Back Non-Resonated (Louder) with Quad GT-100 Titanium Trims
- SSXAU654 — Cat Back Non-Resonated (Louder) with Quad GT-90 Burnt Titanium Trims
- SSXAU658 — Cat Back Non-Resonated (Louder) with Quad GT-90 Cerakote Black Trims
- SSXAU655 — Cat Back Non-Resonated (Louder) with Quad GT-90 Polished Trims
- SSXAU657 — Cat Back Non-Resonated (Louder) with Quad GT-90 Titanium Trims
- SSXAU724 — Cat Back Non-Resonated (Louder) with Quad JET-100 Carbon Trims
- SSXAU659 — Cat Back Non-Resonated (Louder) with Quad Polished Oval Trims
- SSXAU641 — Cat Back Resonated with Quad GT-100 Cerakote Black Trims EC Approved
- SSXAU649 — Cat Back Resonated with Quad Cerakote Black Oval Trims EC Approved
- SSXAU643 — Cat Back Resonated with Quad GT-100 Burnt Titanium Trims EC Approved
- SSXAU640 — Cat Back Resonated with Quad GT-100 Polished Trims EC Approved
- SSXAU642 — Cat Back Resonated with Quad GT-100 Titanium Trims EC Approved
- SSXAU647 — Cat Back Resonated with Quad GT-90 Burnt Titanium Trims EC Approved
- SSXAU645 — Cat Back Resonated with Quad GT-90 Cerakote Black Trims EC Approved
- SSXAU644 — Cat Back Resonated with Quad GT-90 Polished Trims EC Approved
- SSXAU646 — Cat Back Resonated with Quad GT-90 Titanium Trims EC Approved
- SSXAU723 — Cat Back Resonated with Quad JET-100 Carbon Trims - EC Approved
- SSXAU648 — Cat Back Resonated with Quad Polished Oval Trims EC Approved
Vehicle Compatibility
This exhaust is confirmed to fit the following vehicles:
- Audi S4 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (NON GPF ONLY - Non Sport Diff Models) - Left Hand Drive Cars Only (2016 and Later)
