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Cat-back Milltek Audi S4 B8.5, S5 8T - ECE homologated - with primary muffler, resonated - polished Quad GT100 tips

Milltek Sport stainless steel exhaust system for Audi S4 B8.5 / S5 8T, resonated (with resonator). A deep, sporty sound with no gimmicks, from the British exhaust specialist. 4 GT100 tips, 100 mm each, polished stainless steel finish.

Brand MILLTEK
Reference SSXAU366
€3,022.00 (VAT incl.)
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Milltek Sport exhaust system for Audi S4 B8.5 / S5 8T

On the Audi S4 B8.5 / S5 8T, the original exhaust is designed for quietness and regulations. This Milltek Sport stainless steel exhaust system brings back the engine's voice with a full, deep, refined tone, the one that built the reputation of the British brand.

Technical specifications

  • Milltek part number: SSXAU366
  • Part type: Exhaust system
  • Configuration: resonated (with resonator)
  • Details: ECE homologated - with primary and resonator muffler - quad GT100 polished stainless steel tips
  • Tube diameter: 60.3 mm
  • Outlets: 4 GT100 tips, 100 mm each
  • Tip finish: polished stainless steel
  • Fitting information: ECE version
  • Material: aerospace-grade stainless steel
  • Homologation: ECE / EC homologated
  • Manufacturer: Milltek Sport (UK)

Compatible vehicles

  • Audi S4 B8.5 3.0 TFSi 333hp (2012-2015)
  • Audi S5 8T 3.0 TFSI B8.5 (Sportback, 2012-2016)

Not sure about compatibility with your vehicle? Contact us with your VIN before ordering.

Our most frequently asked questions

  • Highway drone? It's the number one concern on forums. This version keeps a resonator: the sound stays full under acceleration, but the car stays calm at steady cruising speed, ideal for everyday driving.
  • Homologation: this system is homologated (ECE / EC), a real advantage for driving with peace of mind and passing the roadworthiness inspection.
  • Fitting: the system uses the original mounting points. A workshop typically fits it in one to two hours.

Why choose Milltek Sport?

Milltek Sport designs and manufactures its exhausts in England, with mandrel-bent tubes to preserve the internal diameter and a fit developed on the vehicle. Result: a clean installation with no modifications needed, and a sound tuned to stay pleasant every day.

For going further

Materials Stainless steel
Diameter 60mm (2.36 in)
Product family Exhausts
Exhaust Cat-back exhaust
Exhaust options Polished stainless tips With resonator
Homologation: EC Approved

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