Catback Milltek Audi S4 B9, S5 F5 - No primary muffler - quad Jet-100 carbon tips - without sport diff.

Milltek Sport Exhaust System for Audi S4 B9 / S5 F5

Replacing the original exhaust with a Milltek Sport exhaust system brings back the character that the factory engine of your Audi S4 B9 / S5 F5 holds back: a rounder tone at idle that opens up clearly as the revs climb, with no artificial effects.

Technical specifications

• Milltek part number: SSXAU724
• Part type: Exhaust system
• Configuration: with valves
• Details: No primary muffler - quad Jet-100 carbon tips
• Tube diameter: 63.5 mm
• Tips: 4 Jet tips, 102 mm
• Tip finish: carbon
• Fitment information: Models without sport diff - with valves
• Material: aerospace-grade stainless steel
• 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.

Our most frequently asked questions

• What about the neighbors in the morning? The valves are controlled as on the original system: the line stays closed and quiet at startup or in comfort mode, and fully open in sport mode.
• Fitting: the system uses the original mounting points. A shop with the right equipment usually 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 bends, careful 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?