Milltek Resonated Cat-Back Exhaust | Audi B9 S5 - Cerakote Black Tips
SKU: SSXAU1121
Parts
- MSAU693: LH Downpipe - MSAU693
- MSAU694: RH Downpipe - MSAU694
- MSAU695: Front Silencer - MSAU695
- MSAU699: LH Rear Silencer with Valve - MSAU699
- MSAU701: LH Mounting Bracket - MSAU701
- MSAU702: RH Mounting Bracket - MSAU702
- MSAU849: Connecting Pipe (SD & Brace Bars)
- MSAU850: RH Rear Silencer with Valve (SD & Brace Bars)
- MSVW372: Cerakote Black GT (round) 100 Exhaust Tip, Standard
Description
Milltek 2.50" Resonated Quad Outlet Cat-Back Exhaust System for Audi B9 S5 3.0 V6 Turbo. Direct factory fitment for Coupe and Sportback models (Sport Diff with Brace Bars, 2017+). T304L stainless steel construction with CNC-formed Cerakote Black quad trims.
The resonated design eliminates drone at cruise while preserving full-throttle character. 2.50" mandrel-bent tube diameter (63.50mm) improves exhaust scavenging over OEM. Hand-finished welds and TIG construction throughout. Uses OEM hangers and suspension points-no modification required. Direct replacement for factory cat-back section; turbo and downpipe remain stock.
Fitment
- Audi S5 B9 3.0 V6 Turbo Coupe (Sport Diff models with Brace Bars, 2017+)
- Audi S5 B9 3.0 V6 Turbo Sportback (Sport Diff models with Brace Bars, 2017+)
Construction & Specifications
- Material: T304L stainless steel
- Pipe diameter: 2.50" (63.50mm), mandrel-bent
- Resonated: Yes-engineered for OE+ tone without cruise drone
- Outlet finish: Cerakote Black quad trims, hand-polished
- Installation: Direct fitment, OEM hangers, no cuts or modifications
This system reflects our commitment to OEM+ fitment, engineered tone character, and precision stainless fabrication-all manufactured to exacting standards.
Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.
Key Facts
| Pipe Diameter | 63.50 |
| 1 to 1.5 hours to fit (including removing OE system) | |
| Race Product | No |
| EMarked | No |
System Fitment List
Shipping Information
This system ships in 2 boxes.
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