Cat-Back Exhaust

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

Brand: Milltek

Part #: SSXAU685

$3,506.39+3506 pts

In Stock

SKU: MK-SSXAU685

Ships direct from the warehouse Guaranteed fitment 30-day returns

Description

Milltek Non-Resonated Cat-Back Exhaust System for Audi B9 S5 3.0 V6 Turbo Coupe and Cabriolet (Non-Sport Diff models). Direct factory fitment replacement with 2.50" mandrel-bent T304L stainless steel construction and quad GT-100 polished outlet trims. Hand-finished T304L stainless steel throughout. 2.50" (63.50mm) pipe diameter maximizes exhaust scavenging. Non-resonated design eliminates OE silencer for aggressive full-throttle character and enhanced mid-range response. Uses OEM hangers and mounting points-no modification required. Quad polished GT-100 trims finished to showroom standard. Fitment • Audi B9 S5 Coupe (3.0 V6 TFSI, 2017-2024) • Audi B9 S5 Cabriolet (3.0 V6 TFSI, 2017-2024) • Non-Sport Differential models only • Cat-back system-factory downpipe and cats retained Engineered in-house and dyno-proven for measurable torque gains across the power band. Every system hand-finished to OEM+ standards before dispatch. Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.

Check Vehicle Fitment

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