Milltek Non-Resonated Cat-Back Exhaust - Audi B9 S5 - Polished Tips - SSXAU711

Milltek Non-Resonated Cat-Back Exhaust System for Audi B9 S5 3.0 V6 Turbo Coupe (Sport Diff models without Brace Bars). Direct factory fitment replacement using OEM hangers, no modification required.

Hand-finished T304L stainless steel construction with 2.50" (63.50mm) mandrel-bent piping. Quad GT-100 polished trims. Non-resonated design engineered for aggressive full-throttle character and pronounced exhaust note. Dyno-proven flow optimization supports measurable gains in exhaust scavenging.

• 2.50" (63.50mm) mandrel-bent T304L stainless steel pipe
• Quad GT-100 polished outlet trims
• Non-resonated for track-focused sound character
• Direct OEM+ fitment-uses factory hangers and mounting points
• Sport Differential models only; incompatible with Brace Bar setups
• Hand-finished construction

This cat-back system integrates with factory secondary catalytic converters-no cat delete required.

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 Only B9 (Sport Diff Models Only & Without Brace Bars) > 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.