Cat-back Milltek Audi S4 B9, S5 F5 - No Primary Silencer - Quad Oval Cerakote Black Tips - with Sport Diff.

Milltek Sport Exhaust System for Audi S4 B9 / S5 F5

Does the stock sound of your Audi S4 B9 / S5 F5 leave you wanting more? This Milltek Sport stainless steel exhaust system is the choice owners request most often: more presence, a true sound signature and build quality that lasts.

Technical specifications

• Milltek part number: SSXAU705
• Part type: Exhaust system
• Configuration: with valves
• Detail: Without primary muffler - quad oval tips in black Cerakote
• Tube diameter: 63.5 mm
• Outlets: 4 oval outlets
• Tip finish: black Cerakote (high-temperature ceramic)
• 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?

A reference among European tuners, Milltek Sport develops each of its systems directly on the vehicle. Mandrel bending, careful welds and aerospace-grade stainless steel ensure a system that lasts and sounds right.

Further reading

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