Milltek Resonated Cat-Back Exhaust - Audi B9 S5 Coupe - Polished Tips - SSXAU679
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
The Milltek Resonated Cat-Back Exhaust System is engineered for the Audi B9 S5 3.0 V6 Turbo Coupe and Cabriolet (Non-Sport Diff models only). Direct factory fitment using OEM hangers and mounting points-no modifications required.
Hand-finished T304L stainless steel construction with mandrel-bent 2.50" (63.50mm) diameter piping. Resonated design eliminates drone while preserving full-throttle character, tuned to the EA839 engine's natural resonance points for an OE+ tone. Quad GT-100 polished trims with precision CNC-formed collectors. Uses factory valve compatibility where applicable.
Fitment
- Audi B9 S5 Coupe 2017-2024
- Audi B9 S5 Cabriolet 2017-2024
- Non-Sport Differential models only
- 3.0L V6 Turbo (EA839)
Cat-back design: replaces rear section from secondary catalytic converter rearward. Retains OEM front components and secondary cats.
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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