Milltek Resonated Cat-Back Exhaust - Audi B9 S4 S5 - Cerakote Black Tips - SSXAU699

Milltek Resonated Cat-Back Exhaust System for Audi B9 S4 (2016+) and S5 Sportback (2017+) 3.0 V6 Turbo. Direct factory fitment for Sport Differential models without brace bars. 2.50" (63.50mm) mandrel-bent T304L stainless steel construction with quad Cerakote Black oval trims.

Hand-finished T304L stainless steel with engineered resonance tuning. OEM-compatible hangers, uses stock mounting points. No modification required. Quad outlet design with Cerakote Black finish. Dyno-proven flow characteristics deliver enhanced throttle response while maintaining OE+ sound character-sportier than stock, refined for daily driving.

Fitment & Compatibility

• Audi S4 B9 Saloon/Sedan & Avant (2016+) - Sport Diff models only, without brace bars
• Audi S5 B9 Sportback (2017+) - Sport Diff models only, without brace bars
• Engine: 3.0 V6 Turbo (EA839)
• Cat-back system (retains factory catalytic converter)

EC Approved construction ensures durability and emissions compliance. Every system hand-finished to OEM+ standards.

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
• E-marked for road use

Fitment

• Audi > S4 > 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (ONLY - Sport Diff Models Only & Without Brace Bars) - Left Hand Drive Cars Only > 2016 and Later
• Audi > S5 > 3.0 V6 Turbo Sportback B9 (ONLY - Sport Diff Models Only & without 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.