Cat-Back Exhaust

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

Brand: Milltek

Part #: SSXAU679

$3,752.49+3752 pts

In Stock

SKU: MK-SSXAU679

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Description

The Milltek Resonated Cat-Back Exhaust System is engineered for the Audi B9 S5 3.0 V6 Turbo Coupe and Cabriolet (Non-Sport Diff models only). Direct factory fitment using OEM hangers and mounting points-no modifications required. Hand-finished T304L stainless steel construction with mandrel-bent 2.50" (63.50mm) diameter piping. Resonated design eliminates drone while preserving full-throttle character, tuned to the EA839 engine's natural resonance points for an OE+ tone. Quad GT-100 polished trims with precision CNC-formed collectors. Uses factory valve compatibility where applicable. Fitment • Audi B9 S5 Coupe 2017-2024 • Audi B9 S5 Cabriolet 2017-2024 • Non-Sport Differential models only • 3.0L V6 Turbo (EA839) Cat-back design: replaces rear section from secondary catalytic converter rearward. Retains OEM front components and secondary cats. Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.

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Fits 7 vehicles including:

2017 Audi S5— 3.0 V6 Turbo Coupe/Cabrio B9 (Non Sport Diff Models Only) > 2017 to 2023
2018 Audi S5— 3.0 V6 Turbo Coupe/Cabrio B9 (Non Sport Diff Models Only) > 2017 to 2023
2019 Audi S5— 3.0 V6 Turbo Coupe/Cabrio B9 (Non Sport Diff Models Only) > 2017 to 2023
2020 Audi S5— 3.0 V6 Turbo Coupe/Cabrio B9 (Non Sport Diff Models Only) > 2017 to 2023
2021 Audi S5— 3.0 V6 Turbo Coupe/Cabrio B9 (Non Sport Diff Models Only) > 2017 to 2023
2022 Audi S5— 3.0 V6 Turbo Coupe/Cabrio B9 (Non Sport Diff Models Only) > 2017 to 2023
+ 1 more vehicles