Milltek Non-Resonated Cat-Back Exhaust - Audi B9 S4 S5 - Polished Tips - SSXAU704

The Milltek Non-Resonated Cat-Back Exhaust System is engineered for the Audi B9 S4 and S5 3.0 V6 Turbo (2016+). Direct factory fitment for Sport Differential models without brace bars. 2.50" (63.50mm) mandrel-bent T304L stainless steel construction with quad polished oval tips delivers improved exhaust flow and engineered tone character.

Hand-finished T304L stainless steel throughout. Mandrel-bent tubing optimizes scavenging and minimizes resonance points. Non-resonated design for full-throttle character on closed-course and track applications. Direct OEM fitment using factory hanger points-no modification required. Quad outlet presentation with polished oval trim finish.

Fitment

• Audi S4 B9 3.0 Turbo V6 Saloon/Sedan & Avant (Sport Differential models without brace bars) - 2016 and later
• Audi S5 B9 3.0 Turbo V6 Sportback (Sport Differential models without brace bars) - 2017 and later

Dyno-proven performance gains paired with precision acoustics.

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 > 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.