Milltek Cat-Back Audi S4 B9 2016-2018, S5 F5 2017-2018 - No Primary Muffler - Quad GT100 Polished Tips - w/o Sport Diff.

Milltek Sport Exhaust System for Audi S4 B9 / S5 F5

On the Audi S4 B9 / S5 F5, the original exhaust is designed for quiet operation and regulatory compliance. 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 the British brand.

Technical Specifications

• Milltek Part Number: SSXAU650
• Part Type: Exhaust System
• Configuration: with valves
• Details: No primary muffler - Quad GT100 polished stainless steel tips
• Tube Diameter: 63.5 mm
• Outlets: 4 GT100 outlets, 100 mm
• Tip Finish: polished stainless steel
• Fitting Information: Non-Sport Diff Models - With Valves
• Material: aerospace-grade stainless steel
• Manufacturer: Milltek Sport (UK)

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.

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.
• Installation: the system uses the original mounting points. A properly equipped repair shop typically fits it in one to two hours.

Why Choose Milltek Sport?

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

Further Reading

• Valved Exhaust Systems: How Do They Work and Should You Keep Them?