Catback Milltek Audi S4 B6 4.2 V8 2003-2005 - non-resonated - Dual Jet-100 Polished Tips

Milltek Sport cat-back exhaust for Audi S4 B6

Replacing the original system with a Milltek Sport cat-back exhaust brings back the character that the stock engine of your Audi S4 B6 muffles: a rounder tone at idle, opening up cleanly through the revs, without artifice.

Technical specifications

• Milltek part number: SSXAU038
• Part type: Cat-back exhaust
• Configuration: non-resonated (no resonator)
• Details: No resonator, dual Jet-100 tips in polished stainless steel
• Tube diameter: 57.15 mm
• Outlets: 2 Jet 100 mm tips
• Tip finish: polished stainless steel
• Material: aerospace-grade stainless steel
• Manufacturer: Milltek Sport (United Kingdom)

Compatible vehicles

• Audi S4 B6 4.2 V8 (Quattro, Sedan, Avant, Convertible, 2003-2005)

Not sure it fits your vehicle? Contact us with your VIN (chassis number) before ordering.

Our most frequently asked questions

• Resonated or non-resonated? This version is non-resonated (no resonator): it is the most expressive, with more crackle on lift-off. On the downside, a slight drone may be noticeable at certain engine speeds on long trips. If you do a lot of highway driving, compare it with the resonated version.
• 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?

Milltek Sport designs and manufactures its exhausts in England, with mandrel-bent tubing to preserve the internal diameter and a fit developed on the vehicle. The result: a clean installation with no modification needed, and a sound tuned to remain pleasant for daily use.

Going further

• Resonated or non-resonated cat-back exhaust: which one is right for your car?