Milltek Resonated Cat-Back Exhaust - Audi B9 S5 Coupe - Brushed Titanium Tips - SSXAU681
Ships free in the US
Make sure this fits your car
Fits: S4 / S5 / RS5 B9
- Shop tested in Dallas
- Free pickup in Dallas
- Installs at our shop
Milltek Resonated Cat-Back Exhaust System for Audi B9 S5 3.0 V6 Turbo Coupe and Cabriolet (Non-Sport Diff models only). Direct factory fitment replacement engineered to enhance exhaust flow, refine tone character, and improve aesthetics while maintaining OEM+ compatibility.
Hand-finished T304L stainless steel construction with mandrel-bent 2.50" (63.50mm) diameter piping and quad GT-100 titanium trim outlets. Resonated design eliminates excessive drone while preserving the full-throttle character of the V6 engine. Uses factory hangers and mounts-no modification required. Engineered in-house with dyno testing to validate performance gains and confirm tone profile.
Fitment & Compatibility
- Audi S5 B9 Coupe (2017-2024)
- Audi S5 B9 Cabriolet (2017-2024)
- Non-Sport Differential models only
- 3.0L V6 Turbo (TFSI)
- Cat-back system (requires factory cat or OEM-equivalent hi-flow unit)
Every system is decibel-tested and EC-approved for global application.
Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.
Specifications
- Pipe diameter: 63.5mm (2.50")
- Fitting time: 1 to 1.5 hours, including removing the factory system
- E-marked for road use
Fitment
- Audi > S5 > 3.0 V6 Turbo Coupe/Cabrio B9 (Non Sport Diff Models Only) > 2017 to 2023
Listed for these cars. Check the title and description for exact years, body styles and drivetrain.
| Make | Model | Chassis | Years | Fits |
|---|---|---|---|---|
| Audi | S4 / S5 / RS5 | B9 | 2018+ |
Not sure? Call or text 945-954-1142 with your car or VIN.
- Free US shipping on orders over $250.
- Free pickup at our Dallas shop, usually ready within 24 hours.
- Unused parts can be returned within 30 days. Tunes, opened electronics, merch and installed parts are final sale.
- Want it installed? Book the install at thegbmotors.com.
Full details are on our shipping and returns page.
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