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DPF Back Milltek Audi RS4 B9 2019-2025 - ECE Approved - With Primary Muffler, Resonated - Polished Oval Tips

Milltek Sport stainless steel DPF-back exhaust for Audi RS4 B9, resonated (with resonator), with valves. More character, a full sound and a stainless steel build designed to last. 170 X 107mm oval outlet, polished stainless steel finish.

Brand MILLTEK
Reference SSXAU821
€4,304.00 (VAT incl.)
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Milltek Sport DPF-Back Exhaust for Audi RS4 B9

Does the original sound of your Audi RS4 B9 leave you wanting more? This Milltek Sport stainless steel DPF-back exhaust is the most requested upgrade among owners: more presence, a true sound signature and long-lasting build quality.

Technical specifications

  • Milltek part number: SSXAU821
  • Part type: DPF-back exhaust
  • Configuration: resonated (with resonator), with valves
  • Details: ECE approved - With primary muffler and resonator - Oval polished stainless steel outlets
  • Tube diameter: 70 mm (2.75 in)
  • Outlets: 170 X 107mm oval outlet
  • Tip finish: polished stainless steel
  • Installation information: ECE version - With valves
  • Material: aerospace-grade stainless steel
  • Homologation: ECE / EC homologated
  • Manufacturer: Milltek Sport (UK)

Compatible vehicles

  • Audi RS4 B9 2.9 V6 T (Wagon, 2019-2025, with DPF)

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

Frequently asked questions

  • Highway drone? This is the number one concern on forums. This version keeps a resonator: the sound stays full under acceleration, while the exhaust stays unobtrusive at steady cruising speed, ideal for everyday driving.
  • And the neighbors in the morning? The valves are controlled as on the original: exhaust closed and quiet on startup or in comfort mode, fully open in sport mode.
  • Homologation: this exhaust is ECE / EC homologated, a real plus for driving with peace of mind and passing the technical inspection.
  • Installation: the exhaust uses the original mounting points. A workshop with the right equipment 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, present sound that is never harsh. That is the Milltek Sport signature, the British manufacturer specializing in stainless steel exhausts.

Going further

Materials Stainless steel
Diameter 70mm (2.75 in)
Product family Exhausts
Exhaust Cat-back exhaust
Exhaust options Polished stainless tips With resonator with valves
Homologation: EC Approved

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