Milltek Resonated Cat-Back Exhaust - Audi B9 S4 S5 - Cerakote Black Tips - SSXAU645

Milltek Resonated Cat-Back Exhaust System for Audi B9 S4 & S5 (3.0 Turbo V6, non-sport differential models). Direct factory fitment with OEM+ sound character and improved exhaust flow.

Engineered from T304L stainless steel, mandrel-bent throughout with hand-finished construction. 2.50" (63.5mm) pipe diameter with resonated chamber design that eliminates drone while preserving OE+ acoustic character at full throttle. CNC-formed quad GT-90 Cerakote Black tailpipe trims. Uses factory hangers and mounting points-no modification required.

Fitment

• Audi S4 B9 Saloon/Avant 3.0T V6 (2016+) - non-sport differential
• Audi S5 B9 Sportback 3.0T V6 (2017+) - non-sport differential

EC Approved for emissions compliance.

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 - Non Sport Diff Models) - Left Hand Drive Cars Only > 2016 and Later
• Audi > S5 > 3.0 V6 Turbo Sportback B9 (ONLY - Non Sport Diff Models Only) - 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.