Milltek Resonated Cat-Back Exhaust - Audi B9 S5 3.0 V6 - Carbon Fibre Tips - SSXAU1124

Milltek Resonated Cat-Back Exhaust System for Audi B9 S5 3.0 V6 Turbo Coupe & Sportback (2019+). Direct factory fitment replacement using OEM hangers; no modification required. Engineered for Sport Diff models with Brace Bars.

Hand-finished T304L stainless steel construction with mandrel-bent 2.50" (63.50mm) pipe diameter. Resonated design fine-tunes OEM resonance points for a refined, sporting tone without harsh drone. Quad carbon outlet trims finish the system for premium aesthetics and durability against thermal cycling.

Fitment & Compatibility

• Audi S5 B9 3.0 V6 Turbo Coupe (2019+) - Sport Diff models with Brace Bars only
• Audi S5 B9 3.0 V6 Turbo Sportback (2019+) - Sport Diff models with Brace Bars only
• Cat-back design; retains factory catalytic converter
• Uses OEM mounting points and suspension hangers

Dyno-proven real-world gains paired with engineered tone character, not just volume.

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 & WITH Brace Bars) - Left Hand Drive Cars Only > 2017 and Later
• Audi > S5 > 3.0 V6 Turbo Sportback B9 (Sport Diff Models Only & WITH Brace Bars) - Left Hand Drive Cars Only > 2017 and Later

• 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.