Milltek 80mm Resonated OPF-Back Exhaust - Audi D5 S8 V8 - Brushed Titanium Tips - SSXAU945

Milltek 80mm Cat Back Resonated OPF-Back Exhaust System for Audi D5 S8 4.0 TFSI V8 (2020+). Direct factory fitment replacement engineered to deliver OE+ sound character with improved exhaust flow dynamics. Uses OEM hangers and mounting points-no modification required.

Hand-finished T304L stainless steel construction with 80mm (3.15") mandrel-bent tubing. Resonated design eliminates drone while preserving full-throttle engagement across the power band. Supplied with GT-115 titanium-finish trim tailpipes. Decibel-tested for European road compliance.

Fitment

• Audi D5 S8 4.0 TFSI V8 Saloon/Sedan 2020 onwards (standard wheelbase)
• OPF-back configuration (replaces factory OPF unit rearward)
• Direct replacement-uses factory hanger points

Every system is dyno-tested and EC-approved before shipment.

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

Specifications

• Pipe diameter: 80mm (3.15")
• Fitting time: 2.5 to 3.5 hours, including removing the factory system
• E-marked for road use

Fitment

• Audi > S8 > D5 4.0 TFSI V8 Saloon/Sedan - Standard Wheel Base (GPF US/ROW Models) > 2020 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.