Milltek Resonated Cat-Back Exhaust - Audi B8 S4 V6 - Cerakote Black Tips - SSXAU556

Milltek Resonated Cat-Back Exhaust System for Audi B8 S4 V6 / S5 3.0 Sportback. Direct factory fitment replacement using OEM hangers and mounting points - no modification required.

Hand-finished T304L stainless steel construction with 2.37" (60.30mm) mandrel-bent piping. Resonated chamber tuned to eliminate drone while preserving full-throttle character. CNC-formed Cerakote Black quad tips. Engineered for improved exhaust flow and dyno-proven gains across the powerband.

Fitment

• Audi B8 S4 V6 Supercharged
• Audi B8 S5 3.0 Sportback
• Cat-back configuration (preserves factory catalytic converter)
• Direct OEM+ fitment with factory hangers

Specifications

• Material: T304L stainless steel, hand-finished
• Pipe Diameter: 2.37" / 60.30mm mandrel-bent
• Resonated: Yes - engineered tone with drone elimination
• Tip Configuration: Quad Cerakote Black
• Installation: Direct replacement, no cutting or welding required

Milltek delivers OEM+ fitment, dyno-proven performance, and engineered sound character - the standard for serious enthusiasts.

Designed and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.

Specifications

• Pipe diameter: 60.3mm (2.37")
• Fitting time: 2 to 3 hours, including removing the factory system
• E-marked for road use

Fitment

• Audi > S4 > 3.0 Supercharged V6 B8 > 2009 to 2012
• Audi > S5 > 3.0 TFSI B8 Sportback > 2010 to 2011

• 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.