Cat-back Milltek Audi S4 B9 2016-2018, S5 F5 2017-2018 - Without primary muffler - Quad GT100 Polished tips - with sport diff

Milltek Sport Exhaust System for Audi S4 B9 / S5 F5

On the Audi S4 B9 / S5 F5, the stock exhaust is designed for quiet operation and regulations. This Milltek Sport stainless steel exhaust system restores the engine's voice with a refined, full and deep sound, the kind that built the reputation of the British brand.

Technical specifications

• Milltek part number: SSXAU700
• Part type: Exhaust system
• Configuration: with valves
• Detail: Without primary muffler - quad GT100 polished stainless steel tips
• Tube diameter: 63.5 mm
• Outlets: 4 GT100 100 mm outlets
• Tip finish: polished stainless steel
• Fitting information: Models with sport differential and without chassis reinforcement bars (visual check required) - With valves
• Material: aerospace-grade stainless steel
• Manufacturer: Milltek Sport (UK)

Compatible vehicles

• Audi S4 B9 3.0 Turbo V6 (With sport differential and without rear chassis reinforcement bars, Sedan - Wagon, 2016-2018)
• Audi S5 F5 3.0 V6 T (With sport differential and without rear chassis reinforcement bars, Sportback, 2017-2018)

Not sure about compatibility with your vehicle? Contact us with your VIN before ordering.

Our most frequently asked questions

• What about the neighborhood in the morning? The valves operate as on the original: closed and quiet at startup or in comfort mode, fully open in sport mode.
• Fitting: the system uses the original mounting points. A workshop with the right equipment typically fits it in one to two hours.

Why choose Milltek Sport?

What customers mention most often in their feedback: fit quality and a deep sound that is present but never harsh. This is the Milltek Sport signature, from the British manufacturer specialized in stainless steel exhausts.

Further reading

• Exhaust system with valves: how it works and should you keep them?