• Milltek Resonated Cat-Back Exhaust | Audi B9 S4 S5 - Brushed Titanium Tips

MilltekResonated Cat-Back ExhaustFitment: Audi B9 S4 S5 - Brushed Titanium Tips

Resonated Cat-Back Exhaust | Audi B9 S4 S5 - Brushed Titanium Tips | Milltek

SKU: SSXAU646

$3,742.59
$3,742.59 $4,403.05
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Resonated Cat-Back Exhaust | Audi B9 S4 S5 - Brushed Titanium Tips | Milltek

$3,742.59

Overview

Milltek Resonated Cat-Back Exhaust System for Audi B9 S4 and S5 (non-Sport Differential models). Direct factory fitment using OEM hangers, no modification required. 2.50" (63.50mm) mandrel-bent T304L stainless steel construction with quad GT-90 titanium trim tips. Engineered to deliver dyno-proven flow gains while maintaining an OE+ sound character through precision resonance tuning.

Hand-finished T304L stainless steel throughout. CNC-formed resonance chambers eliminate drone while preserving full-throttle articulation. Uses factory mounting points and OEM valve compatibility for seamless integration. Decibel-tested and EC-approved for street and track use.

Details

Fitment Notes

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

Dyno-tested and optimized for the B9 platform.

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

Fitment

Years Make Model Engine Family Engine Trim
2018-2019 Audi S4 EA839 3.0T All
2018-2019 Audi S5 EA839 3.0T All

Customer Reviews