Milltek 80mm Resonated OPF-Back Exhaust - Audi D5 S8 - Polished Tips - SSXAU943

Milltek 80mm Cat Back Resonated OPF-Back Exhaust System for Audi D5 S8 4.0 TFSI V8 (2020+). This system is engineered as a direct OPF-back replacement, flowing from the OEM particulate filter rearward, offering improved exhaust flow and an engineered OE+ tone while maintaining emissions compliance.

Hand-finished T304L stainless steel construction with mandrel-bent piping and 80mm (3.15") bore diameter. Finished with polished GT-115 trim tips. Resonated design eliminates harsh drone while preserving full-throttle character. Direct factory fitment using OEM hangers-no modification required.

Fitment

• Audi S8 D5 4.0 TFSI V8 Saloon (2020 and later)
• Standard and long wheelbase variants
• OPF-back configuration (OEM particulate filter to tailpipe)

Each system is EC Approved and manufactured under strict quality control in the UK.

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.