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Milltek Resonated Cat-Back Exhaust - Audi B9 S4 S5 - Cerakote Black Tips - SSXAU649, photo 1 of 2
MilltekSKU: SSXAU649

Milltek Resonated Cat-Back Exhaust - Audi B9 S4 S5 - Cerakote Black Tips - SSXAU649

$4,236.13 Available

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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 2.50" Resonated Cat-Back Exhaust System for Audi B9 S4 and S5 (non-sport differential models). Direct factory fitment replacement using OEM hangers; no modification required.

Hand-finished T304L stainless steel construction with mandrel-bent 2.50" (63.50mm) bore pipe. Resonated design eliminates drone while preserving OE+ tone character. Quad Cerakote Black oval trims. Dyno-proven power gains with engineering-grade flow optimization.

Fitment

  • Audi S4 B9 3.0L Turbo V6 (Non Sport Diff) - 2016+
  • Audi S5 B9 Sportback 3.0L Turbo V6 (Non Sport Diff) - 2017+

Cat-back system; retains factory cat and secondary catalytic converters. Engineered to Exhilarate.

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 > S4 > 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (ONLY - Non Sport Diff Models) - Left Hand Drive Cars Only > 2016 and Later
  • Audi > S5 > 3.0 V6 Turbo Sportback B9 (ONLY - Non Sport Diff Models Only) - Left Hand Drive Cars Only > 2017 and Later