Milltek Non-Resonated Cat-Back Exhaust - Audi B9 S5 Sportback - Brushed Titanium Tips - SSXAU1115

The Milltek Non-Resonated Cat-Back is engineered for the B9 Audi S5 Sportback with factory Sports Differential and Brace Bars. This is our loudest system for this platform-a direct bolt-on replacement for OEM exhaust with no modification required.

Constructed from T304L stainless steel with mandrel-bent piping (2.5" diameter), the system features quad exit tips available in brushed titanium or polished stainless finish. Hand-finished construction ensures OEM+ fitment and durability. Uses factory exhaust hangers for seamless integration.

• Fitment: B9 S5 Sportback with Sports Diff and Factory Brace Bars
• Pipe diameter: 2.5" mandrel-bent T304L stainless
• Tip options: Quad brushed titanium, quad polished stainless, or quad Cerakote black
• Tip diameter: 4" round or oval design
• Direct factory fitment-no modification required
• Non-resonated configuration for full throttle tone on track or closed course

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.