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

MilltekResonated Cat-Back ExhaustFitment: Audi B9 S4 S5 - Polished Tips

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

SKU: SSXAU644

$3,193.25
$3,193.25 $3,756.77
  • Fully secure checkout
  • Trusted
  • Rated and reviewed
Resonated Cat-Back Exhaust | Audi B9 S4 S5 - Polished Tips | Milltek

$3,193.25

Overview

Milltek 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. 2.50" (63.5mm) mandrel-bent T304L stainless steel construction with quad GT-90 polished tips.

Engineered tone character balances sportier note with refinement-resonated design targets OE resonance points for OE+ sound profile without excessive drone. T304Lstainless steel resists corrosion and thermal stress. CNC-formed joints and hand-finished construction. Dyno-proven improved exhaust flow supports modest performance gains across the power band.

Details

Fitment Notes

  • Audi S4 B9 3.0L Turbo V6 Saloon/Sedan & Avant (non-sport differential) 2016+
  • Audi S5 B9 3.0L Turbo V6 Sportback (non-sport differential) 2017+

Cat-back design: replaces factory exhaust from rear of secondary catalytic converter rearward. OEM valves and electronic controls remain unaffected. Fits stock suspension and body.

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