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Cat-Back Milltek Audi S4 B9, S5 F5 - ECE Homologated - With Primary Muffler - Polished Quad Oval Tips - Without Sport Diff.

Milltek Sport stainless steel exhaust system for Audi S4 B9 / S5 F5, with exhaust valves. The Milltek signature: deep at idle, aggressive through the revs, with a flawless finish. 4 oval tips, polished stainless steel finish.

Brand MILLTEK
Reference SSXAU648
€3,680.00 (VAT incl.)
Product not available for sale
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Milltek Sport Exhaust System for Audi S4 B9 / S5 F5

Is the factory sound of your Audi S4 B9 / S5 F5 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 long-lasting build quality.

Technical specifications

  • Milltek part number: SSXAU648
  • Part type: Exhaust system
  • Configuration: with valves
  • Details: ECE homologated - With primary muffler - Quad oval tips in polished stainless steel
  • Tube diameter: 63.5 mm
  • Outlets: 4 oval outlets
  • Tip finish: polished stainless steel
  • Fitting information: Non-sport diff models - With valves
  • Material: aerospace-grade stainless steel
  • Homologation: ECE / EC homologated
  • Manufacturer: Milltek Sport (United Kingdom)

Compatible vehicles

  • Audi S4 B9 3.0 Turbo V6 (Without sport differential, Sedan - Wagon, 2016-2018)
  • Audi S5 F5 3.0 V6 T (Without Sport Differential, Sportback, 2017-2018)

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

Most frequently asked questions

  • What about the neighbors in the morning? The valves are controlled as on the original system: closed and discreet at startup or in comfort mode, fully open in sport mode.
  • Homologation: this system is ECE / EC homologated, a real advantage for driving with peace of mind and passing the technical inspection.
  • Fitting: the system uses the original mounting points. A repair shop with the right equipment typically fits it in one to two hours.

Why choose Milltek Sport?

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

Further reading

Materials Stainless steel
Diameter 63.5mm (2.50 in)
Product family Exhausts
Exhaust Cat-back exhaust
Exhaust options Polished stainless tips with valves
Homologation: EC Approved

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