Milltek Non-Resonated Cat-Back - Audi B9 S5 Sportback - Cerakote Black Tips - SSXAU1114
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
Non-resonated cat-back exhaust system for Audi B9 S5 Sportback with factory sports differential and brace bars. Direct bolt-on replacement using OEM hangers; no modification required. T304L stainless steel mandrel-bent construction with hand-finished quad Cerakote Black tips (4" GT-100 round) or polished stainless options.
Engineered for full-throttle character and maximum sound output on closed-course and track use. 2.5" pipe diameter optimized for the B9 platform. Dyno-proven performance gains with engineered tone tuned to the S5's V6 powerband. EC certified construction meets type-approval standards for European markets.
- T304L stainless steel, mandrel-bent throughout
- Hand-finished quad Cerakote Black tips (or polished stainless available)
- OEM+ direct fitment for B9 S5 Sportback Sport Diff models
- Non-resonated design for maximum acoustic character
- Dyno-tested for measurable power delivery
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
Fitment
- Audi > S5 > 3.0 V6 Turbo Coupe Only B9 (Sport Diff Models Only & WITH Brace Bars) - Left Hand Drive Cars Only > 2017 and Later
- Audi > S5 > 3.0 V6 Turbo Sportback B9 (Sport Diff Models Only & WITH Brace Bars) - Left Hand Drive Cars Only > 2017 and Later
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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