Cat-back Milltek Audi S4 B9 2016-2018, S5 F5 2017-2018 - No Primary Silencer - Quad GT100 Titanium Tips - with Sport Diff.

Milltek Sport exhaust system for Audi S4 B9 / S5 F5

On the Audi S4 B9 / S5 F5, the factory exhaust is designed for quiet operation and regulations. This Milltek Sport stainless steel exhaust system gives the engine its voice back with a refined, full and deep sound, the one that built the reputation of this English brand.

Technical specifications

• Milltek part number: SSXAU702
• Part type: Exhaust system
• Configuration: with valves
• Details: No primary silencer, quad GT100 titanium tips
• Pipe diameter: 63.5 mm
• Outlets: 4 GT100 outlets, 100 mm each
• Tip finish: titanium finish
• Installation information: Models with Sport Differential and without chassis reinforcement bars (visual check required) - with valves
• Material: aerospace-grade stainless steel
• Manufacturer: Milltek Sport (United Kingdom)

Compatible vehicles

• Audi S4 B9 3.0 Turbo V6 (with Sport Differential and no rear chassis reinforcement bars, Saloon, Avant, 2016-2018)
• Audi S5 F5 3.0 V6 T (with Sport Differential and no rear chassis reinforcement bars, Sportback, 2017-2018)

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

Most frequently asked questions

• What about the neighbors in the morning? The valves operate as on the factory system: closed and quiet on startup or in comfort mode, fully open in sport mode.
• Installation: the system uses the factory mounting points. A equipped repair shop 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 fitment developed on the vehicle. The result: a clean installation with no modification required, and a sound tuned to remain pleasant for everyday driving.

Further reading

• Valved exhaust systems: how they work and should you keep them?