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Catback Milltek Audi S4 B9, S5 F5 - ECE homologated - with primary muffler - Quad GT100 Titanium - without sport diff.

Milltek Sport stainless steel exhaust system for Audi S4 B9 / S5 F5, with valves. More character, a full sound and a stainless steel system built to last. 4 GT100 outlets, 100 mm, titanium finish.

Brand MILLTEK
Reference SSXAU642
€3,870.00 (VAT incl.)
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Milltek Sport Exhaust System for Audi S4 B9 / S5 F5

On the Audi S4 B9 / S5 F5, the factory exhaust is designed for quiet operation and regulatory compliance. This Milltek Sport stainless steel exhaust system brings back the engine's voice with a refined, full, deep tone, the sound that built the English brand's reputation.

Technical Specifications

  • Milltek Part Number: SSXAU642
  • Part Type: Exhaust System
  • Configuration: With valves
  • Details: ECE approved - With primary muffler - Quad GT100 titanium exhaust tips
  • Tube Diameter: 63.5 mm
  • Outlets: 4 GT100 outlets, 100 mm
  • Tip Finish: titanium finish
  • Fitment Information: Models without Sport Diff - With valves
  • Material: aerospace-grade stainless steel
  • Homologation: ECE / EC approved
  • 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 VIN before ordering.

Frequently Asked Questions

  • And what about the neighbors in the morning? The valves are controlled as on the factory system: closed and discreet on startup or in comfort mode, fully open in sport mode.
  • Homologation: this system is ECE / EC approved, a real plus for driving with peace of mind and passing the contrôle technique.
  • Installation: the system uses the original mounting points. A repair shop 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 inside diameter and a fit developed on the vehicle itself. The result: a clean installation with no modification required, and a tone tuned to stay pleasant for everyday driving.

Further Reading

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

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