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Milltek Resonated Cat-Back Exhaust - Audi B9 S5 Coupe - Polished Tips - SSXAU691, photo 1 of 2
MilltekSKU: SSXAU691

Milltek Resonated Cat-Back Exhaust - Audi B9 S5 Coupe - Polished Tips - SSXAU691

$3,987.89 Available

Ships free in the US

Make sure this fits your car

Fits: S4 / S5 / RS5 B9

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  • Shop tested in Dallas
  • Free pickup in Dallas
  • Installs at our shop
Questions about fitment?Call or text 945-954-1142. We respond same day.

Milltek Resonated Cat-Back Exhaust System for Audi B9 S5 3.0 V6 Turbo Coupe and Cabriolet (non-Sport Diff models). Direct factory fitment replacement with 2.50" (63.50mm) mandrel-bent T304L stainless steel construction and quad polished oval trims.

Hand-finished T304L stainless steel pipe with resonated chambering engineered to eliminate factory drone while preserving OEM+ tone character at cruise. Uses factory hangers and mounting points-no modification required. Decibel-tested for street legality with full-throttle engagement tuned at the resonance frequency points that complement the 3.0T V6 engine note.

System Specifications

  • Pipe Diameter: 2.50" (63.50mm) mandrel-bent
  • Material: T304L stainless steel, hand-finished
  • Design: Resonated (drone-eliminated cruise, full-throttle character)
  • Outlet: Quad polished oval trims
  • Fitment: Audi B9 S5 3.0 TFSI Coupe/Cabriolet, non-Sport Diff models only
  • Installation: Direct OEM+ fitment, factory hanger compatible

EC approved.

Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.

Specifications

  • Pipe diameter: 63.5mm (2.50")
  • Fitting time: 1 to 1.5 hours, including removing the factory system
  • E-marked for road use

Fitment

  • Audi > S5 > 3.0 V6 Turbo Coupe/Cabrio B9 (Non Sport Diff Models Only) > 2017 to 2023