Milltek Non-Resonated Cat-Back Exhaust - Audi B9 S5 Coupe/Cabriolet - Polished Tips - SSXAU689

Milltek Non-Resonated Cat-Back Exhaust System for Audi B9 S5 3.0 V6 Turbo Coupe and Cabriolet (Non-Sport Differential models). Direct factory fitment replacement using OEM hangers; no modification required.

Hand-finished T304L stainless steel construction with mandrel-bent 2.50" (63.50mm) bore pipe and quad polished oval trims. Non-resonated design engineered for full-throttle character and aggressive tone signature. OEM+ fitment with CNC-formed collector and outlet spools ensures seamless integration with factory mounting points.

Fitment & Compatibility

• Audi B9 S5 Coupe (2017-2024)
• Audi B9 S5 Cabriolet (2017-2024)
• Non-Sport Differential models only
• Engine: 3.0 V6 Turbo (TFSI)
• Cat-back system (OEM catalytic converters retained)

Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.

Specifications

• Pipe diameter: 63.5mm (2.50")
• Fitting time: 1 to 1.5 hours, including removing the factory system

Fitment

• Audi > S5 > 3.0 V6 Turbo Coupe/Cabrio B9 (Non Sport Diff Models Only) > 2017 to 2023

• Free US shipping on orders over $250.
• Free pickup at our Dallas shop, usually ready within 24 hours.
• Unused parts can be returned within 30 days. Tunes, opened electronics, merch and installed parts are final sale.
• Want it installed? Book the install at thegbmotors.com.

Full details are on our shipping and returns page.