Cat-back Milltek Audi A4 B6 1.8T 163hp 2001-2005, Resonated, Dual GT90 Polished Exhaust Tips

Milltek Sport exhaust system for Audi A4 B6

Is the factory sound of your Audi A4 B6 leaving you wanting more? This Milltek Sport stainless steel exhaust system is the most requested upgrade among owners: more presence, a true sound signature and a build quality designed to last.

Technical specifications

• Milltek reference: SSXAU509
• Part type: Exhaust system
• Configuration: resonated (with resonator)
• Detail: With resonator, dual GT90 polished stainless steel exhaust tips
• Tube diameter: 63.5 mm
• Outlets: 2 GT90 90 mm exhaust tips
• Tip finish: polished stainless steel
• Material: aerospace grade stainless steel
• Manufacturer: Milltek Sport (United Kingdom)

Compatible vehicles

• Audi A4 B6 1.8T 163 hp (5-speed gearbox, Quattro, Sedan and Wagon, 2001-2005)

Doubt about compatibility with your vehicle? Contact us with your VIN before ordering.

Most 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 line stays unobtrusive at steady cruising speed, ideal for everyday driving.
• Installation: the system uses the original mounting points. A workshop typically fits it in one to two hours.

Why choose Milltek Sport?

What comes up most often in user feedback: fit quality and a deep sound, present but never harsh. This is the signature of Milltek Sport, a British manufacturer specializing in stainless steel exhausts.

Further reading

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