Cat-Back Exhaust

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

Brand: Milltek

Part #: SSXAU655

$3,511.74+3511 pts

In Stock

SKU: MK-SSXAU655

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Description

Milltek Non-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 pipe with quad GT-90 polished tips. Hand-finished T304L stainless construction resists corrosion and thermal cycling. Non-resonated design eliminates factory silencer constraints, tuning the exhaust note for full-throttle character without drone at cruise. Dyno-tested for measurable flow improvement over OEM. Fitment • Audi S4 3.0 Turbo V6 (TFSI) B9 Saloon/Sedan - 2016+ • Audi S4 3.0 Turbo V6 (TFSI) B9 Avant - 2016+ • Audi S5 3.0 Turbo V6 (TFSI) B9 Sportback - 2017+ • Non Sport Differential models only 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