Milltek Resonated Cat-Back Exhaust - Audi B8 S5 3.0 TFSI - Cerakote Black Tips - SSXAU558

The Milltek Resonated Cat-Back Exhaust System for the Audi B8 S5 3.0 TFSI Coupe and Cabriolet is a direct factory replacement engineered to enhance performance and refine your engine's acoustic character. This system uses mandrel-bent T304L stainless steel construction with OEM+ fitment and requires no modification for installation.

Hand-finished quad Cerakote Black outlets deliver a premium appearance, while the 2.37" (60.30mm) bore diameter optimizes exhaust flow. The resonated design eliminates unwanted drone while preserving a sophisticated, controlled tone across the rev range-engineered for both spirited driving and daily composure.

Fitment & Installation

• Direct fitment: Audi B8 S5 3.0 TFSI Coupe (2009-2011)
• Direct fitment: Audi B8 S5 Cabriolet (2009-2011)
• Uses OEM hangers and mounting points
• No vehicle modification required
• Cat-back system (connects to factory catalytic converter)

Construction & Materials

T304L stainless steel throughout, hand-welded and finished to Milltek standards. Quad outlet tips feature Cerakote Black ceramic coating for durability and corrosion resistance. Mandrel-bent primary and secondary pipes ensure consistent bore diameter and minimize flow restrictions.

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 > S5 > 3.0 TFSI B8 Coupe & Cabriolet (S tronic) > 2009 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.