Milltek Resonated Cat-Back Exhaust - Audi B8 S4 V6 - Polished Tips - SSXAU261

The Milltek Resonated Cat-Back Exhaust System is engineered specifically for the Audi B8 S4 V6 and S5 3.0 Sportback. This direct factory fitment system replaces the OEM exhaust with a 2.37" (60.30mm) mandrel-bent T304L stainless steel design, using OEM hangers and requiring no modification.

Constructed from hand-finished T304L stainless steel, the resonated configuration is tuned to eliminate drone while preserving a sportier, more pronounced exhaust note than stock. Quad polished tips deliver the visual presence to match the acoustic upgrade. All welding and finishing is completed in-house, ensuring consistency and durability across every system.

Fitment & Specifications

• Direct cat-back fitment: Audi B8 S4 V6 and S5 3.0 Sportback
• Pipe diameter: 2.37" (60.30mm)
• Material: T304L stainless steel, hand-finished
• Resonated design for OE+ tone character
• Quad polished stainless tips
• OEM-compatible hangers and mounts
• No cutting or welding required for installation

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.