Cat-Back Exhaust

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

Brand: Milltek

Part #: SSXAU723

$4,120.57+4120 pts

In Stock

SKU: MK-SSXAU723

Ships direct from the warehouse Guaranteed fitment 30-day returns

Description

Milltek Resonated Cat-Back Exhaust System for Audi B9 S4 and S5 (Non Sport Diff models). Direct factory fitment using OEM hangers; no modification required. 2.50" (63.50mm) mandrel-bent T304L stainless steel construction with quad JET-100 carbon trim tips. The resonated design eliminates drone at cruising speeds while preserving full-throttle character. Hand-finished T304Lstainless steel resists corrosion and thermal cycling. Engineered for OEM+ fitment and proven dyno gains on the 3.0L turbo V6 platform. Fitment • Audi S4 B9 3.0 Turbo V6 Saloon/Sedan & Avant (2016+, Non Sport Diff) • Audi S5 B9 3.0 Turbo V6 Sportback (2017+, Non Sport Diff) Milltek manufactures this system in-house from raw T304L material to finished assembly. Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.

Check Vehicle Fitment

Fits 22 vehicles including:

2016 Audi S4— 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (ONLY - Non Sport Diff Models) - Left Hand Drive Cars Only > 2016 and Later
2018 Audi S4— 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (ONLY - Non Sport Diff Models) - Left Hand Drive Cars Only > 2016 and Later
2019 Audi S4— 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (ONLY - Non Sport Diff Models) - Left Hand Drive Cars Only > 2016 and Later
2020 Audi S4— 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (ONLY - Non Sport Diff Models) - Left Hand Drive Cars Only > 2016 and Later
2021 Audi S4— 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (ONLY - Non Sport Diff Models) - Left Hand Drive Cars Only > 2016 and Later
2022 Audi S4— 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (ONLY - Non Sport Diff Models) - Left Hand Drive Cars Only > 2016 and Later
+ 16 more vehicles