Cat-Back Milltek Audi S4 B9, S5 F5 - ECE Homologated - With Primary Muffler - Polished Quad Oval Tips - Without Sport Diff.
Milltek Sport stainless steel exhaust system for Audi S4 B9 / S5 F5, with exhaust valves. The Milltek signature: deep at idle, aggressive through the revs, with a flawless finish. 4 oval tips, polished stainless steel finish.
Milltek Sport Exhaust System for Audi S4 B9 / S5 F5
Is the factory sound of your Audi S4 B9 / S5 F5 leaving you wanting more? This Milltek Sport stainless steel exhaust system is the most requested upgrade among owners: more presence, a true sound signature and long-lasting build quality.
Technical specifications
- Milltek part number: SSXAU648
- Part type: Exhaust system
- Configuration: with valves
- Details: ECE homologated - With primary muffler - Quad oval tips in polished stainless steel
- Tube diameter: 63.5 mm
- Outlets: 4 oval outlets
- Tip finish: polished stainless steel
- Fitting information: Non-sport diff models - With valves
- Material: aerospace-grade stainless steel
- Homologation: ECE / EC homologated
- Manufacturer: Milltek Sport (United Kingdom)
Compatible vehicles
- Audi S4 B9 3.0 Turbo V6 (Without sport differential, Sedan - Wagon, 2016-2018)
- Audi S5 F5 3.0 V6 T (Without Sport Differential, Sportback, 2017-2018)
Not sure about compatibility with your vehicle? Contact us with your chassis number (VIN) before ordering.
Most frequently asked questions
- What about the neighbors in the morning? The valves are controlled as on the original system: closed and discreet at startup or in comfort mode, fully open in sport mode.
- Homologation: this system is ECE / EC homologated, a real advantage for driving with peace of mind and passing the technical inspection.
- Fitting: the system uses the original mounting points. A repair shop with the right equipment typically fits it in one to two hours.
Why choose Milltek Sport?
Milltek Sport designs and manufactures its exhausts in England, using mandrel-bent tubing to preserve the internal diameter and a fit developed on the vehicle. The result: a clean installation with no modifications needed, and a sound tuned to remain pleasant for everyday driving.
Further reading
| Materials | Stainless steel |
|---|---|
| Diameter | 63.5mm (2.50 in) |
| Product family | Exhausts |
| Exhaust | Cat-back exhaust |
| Exhaust options | Polished stainless tips with valves |
| Homologation: | EC Approved |
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