Cat-Back Exhaust

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

Brand: Milltek

Part #: SSXAU645

$4,005.01+4005 pts

In Stock

SKU: MK-SSXAU645

Ships direct from the warehouse Guaranteed fitment 30-day returns

Description

Milltek Resonated Cat-Back Exhaust System for Audi B9 S4 & S5 (3.0 Turbo V6, non-sport differential models). Direct factory fitment with OEM+ sound character and improved exhaust flow. Engineered from T304L stainless steel, mandrel-bent throughout with hand-finished construction. 2.50" (63.5mm) pipe diameter with resonated chamber design that eliminates drone while preserving OE+ acoustic character at full throttle. CNC-formed quad GT-90 Cerakote Black tailpipe trims. Uses factory hangers and mounting points-no modification required. Fitment • Audi S4 B9 Saloon/Avant 3.0T V6 (2016+) - non-sport differential • Audi S5 B9 Sportback 3.0T V6 (2017+) - non-sport differential EC Approved for emissions compliance. Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.

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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