Cat-back Milltek Audi S4 B6 4.2 V8 2004-2009 - resonated - Polished Quad 76.2 mm Tips

Milltek Sport exhaust system for Audi S4 B6

On the Audi S4 B6, the factory system is designed for quiet operation and regulations. This Milltek Sport stainless steel exhaust system gives the engine its voice back with a refined, full, deep tone, the one that built the reputation of this British brand.

Technical specifications

• Milltek part number: SSXAU046
• Part type: Exhaust system
• Configuration: resonated (with resonator)
• Details: With resonator, quad 76.2 mm polished stainless steel tips
• Tube diameter: 57.15 mm
• Outlets: 2 special 76.2 mm tips
• Tip finish: polished stainless steel
• Material: aerospace-grade stainless steel
• Manufacturer: Milltek Sport (UK)

Compatible vehicles

• Audi S4 B6 4.2 V8 (Quattro, Sedan - Wagon - Cabriolet, 2004-2009)

Not sure it fits your vehicle? Contact us with your VIN before ordering.

Frequently asked questions

• Highway drone? It is the number one concern on forums. This version keeps a resonator: the sound stays full under acceleration, but the exhaust stays unobtrusive at steady speed, ideal for daily driving.
• Fitting: the system uses the original mounting points. A shop with the right equipment typically fits it in one to two hours.

Why choose Milltek Sport?

What users most often mention in feedback: fit quality and a deep tone, present but never harsh. That is the hallmark of Milltek Sport, a British maker specializing in stainless steel exhausts.

Going further

• Resonated or non-resonated cat-back exhaust: which one should you choose for your car?