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Milltek Cat Back Exhaust Audi S4 3.0 Turbo V6 B9 Saloon / Sedan and Avant (Non Sport Diff Models) LHD Cars Only 16-25
Milltek Cat Back Exhaust Audi S4 3.0 Turbo V6 B9 Saloon / Sedan and Avant (Non Sport Diff Models) LHD Cars Only 16-25
Milltek Cat Back Exhaust Audi S4 3.0 Turbo V6 B9 Saloon / Sedan and Avant (Non Sport Diff Models) LHD Cars Only 16-25
Milltek Cat Back Exhaust Audi S4 3.0 Turbo V6 B9 Saloon / Sedan and Avant (Non Sport Diff Models) LHD Cars Only 16-25
Milltek Cat Back Exhaust Audi S4 3.0 Turbo V6 B9 Saloon / Sedan and Avant (Non Sport Diff Models) LHD Cars Only 16-25
Milltek Cat Back Exhaust Audi S4 3.0 Turbo V6 B9 Saloon / Sedan and Avant (Non Sport Diff Models) LHD Cars Only 16-25
Milltek Cat Back Exhaust Audi S4 3.0 Turbo V6 B9 Saloon / Sedan and Avant (Non Sport Diff Models) LHD Cars Only 16-25
Milltek Cat Back Exhaust Audi S4 3.0 Turbo V6 B9 Saloon / Sedan and Avant (Non Sport Diff Models) LHD Cars Only 16-25
Milltek Cat Back Exhaust Audi S4 3.0 Turbo V6 B9 Saloon / Sedan and Avant (Non Sport Diff Models) LHD Cars Only 16-25
Milltek Cat Back Exhaust Audi S4 3.0 Turbo V6 B9 Saloon / Sedan and Avant (Non Sport Diff Models) LHD Cars Only 16-25
Milltek Cat Back Exhaust Audi S4 3.0 Turbo V6 B9 Saloon / Sedan and Avant (Non Sport Diff Models) LHD Cars Only 16-25
Milltek Cat Back Exhaust Audi S4 3.0 Turbo V6 B9 Saloon / Sedan and Avant (Non Sport Diff Models) LHD Cars Only 16-25
Milltek Cat Back Exhaust Audi S4 3.0 Turbo V6 B9 Saloon / Sedan and Avant (Non Sport Diff Models) LHD Cars Only 16-25
Milltek Cat Back Exhaust Audi S4 3.0 Turbo V6 B9 Saloon / Sedan and Avant (Non Sport Diff Models) LHD Cars Only 16-25
Milltek Cat Back Exhaust Audi S4 3.0 Turbo V6 B9 Saloon / Sedan and Avant (Non Sport Diff Models) LHD Cars Only 16-25
Milltek Cat Back Exhaust Audi S4 3.0 Turbo V6 B9 Saloon / Sedan and Avant (Non Sport Diff Models) LHD Cars Only 16-25
Milltek Cat Back Exhaust Audi S4 3.0 Turbo V6 B9 Saloon / Sedan and Avant (Non Sport Diff Models) LHD Cars Only 16-25
Milltek Cat Back Exhaust Audi S4 3.0 Turbo V6 B9 Saloon / Sedan and Avant (Non Sport Diff Models) LHD Cars Only 16-25
Milltek Cat Back Exhaust Audi S4 3.0 Turbo V6 B9 Saloon / Sedan and Avant (Non Sport Diff Models) LHD Cars Only 16-25
Milltek Cat Back Exhaust Audi S4 3.0 Turbo V6 B9 Saloon / Sedan and Avant (Non Sport Diff Models) LHD Cars Only 16-25
Milltek Cat Back Exhaust Audi S4 3.0 Turbo V6 B9 Saloon / Sedan and Avant (Non Sport Diff Models) LHD Cars Only 16-25
Milltek Cat Back Exhaust Audi S4 3.0 Turbo V6 B9 Saloon / Sedan and Avant (Non Sport Diff Models) LHD Cars Only 16-25

Milltek Cat Back Exhaust Audi S4 3.0 Turbo V6 B9 Saloon / Sedan and Avant (Non Sport Diff Models) LHD Cars Only 16-25

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SKU SSXAU723
$2,683.78 - $3,571.06
$3,154.70
$4,120.57
$2,584.85 - $4,659.85
$4,120.57
Resonated?: Resonated
Trims: Quad JET-100 Carbon
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We show live inventory for in-stock items. Products may sell out due to high demand but are restocked regularly. Out-of-stock items can still be ordered and usually arrive within a few weeks.

Milltek Cat Back Exhaust Audi S4 3.0 Turbo V6 B9 Saloon / Sedan and Avant (Non Sport Diff Models) LHD Cars Only 16-25

Our range of exhaust systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system, available in multiple configurations enabling the owner to choose the increase in volume of their exhaust and/or add a more suitably aggressive tone. All our products are made from 304L Aircraft Grade stainless steel. This quality material will ensure that your Cat-Back system will last through any harsh conditions.

This part also goes by the following cross reference.

Cross Reference Part Number:

Fits These Vehicles 2 applications
Audi
Make Model Engine Years
Audi S4 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (NON GPF ONLY - Non Sport Diff Models) - Left Hand Drive Cars Only 2016–2026
Audi S5 3.0 V6 Turbo Sportback B9 (NON GPF ONLY - Non Sport Diff Models Only) - Left Hand Drive Cars Only 2017–2026

Fitment data last updated: 2026-08-21

Fits 2 vehicle applications Check vehicle fitment before ordering View fitment

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