Milltek Resonated Cat-Back Exhaust - Audi D4 S8 - Brushed Titanium Tips - SSXAU466

Milltek Resonated Cat-Back Exhaust System for Audi D4 S8 Quattro. Direct factory fitment cat-back system engineered to replace the OEM exhaust with improved flow dynamics and refined sound character. Mandrel-bent T304L stainless steel construction with hand-finished titanium trim options.

The resonated design eliminates drone at cruise while preserving full-throttle character on hard acceleration. 2.76" (70mm) bore optimizes scavenging for the D4 platform's naturally aspirated engine. Uses OEM hangers and mounting points-no modification required. CNC-formed junctions and precision welding throughout.

Fitment & Compatibility

• Audi D4 S8 Quattro (2013-2018)
• Direct cat-back replacement-turbo, downpipe, and secondary cats remain factory
• Requires no ECU tune or modification
• Compatible with OEM valve systems

Every system is dyno-tested and EC-approved for road use, offering proven gains in flow efficiency and engineered tone without compromise to drivability.

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

Specifications

• Pipe diameter: 70mm (2.76")
• E-marked for road use

Fitment

• Audi > S8 > D4 4.0 TFSI quattro Tiptronic > 2013 to 2018

• 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.