Milltek 80mm Resonated Cat-Back Exhaust - Audi S8 D5 - Carbon Fibre Tips - SSXAU1064

Milltek 80mm Resonated Cat-Back Exhaust system for Audi S8 D5 (long wheelbase) V8. Direct factory fitment using OEM hangers-no modification required. Engineered to reduce resonance peaks while preserving full-throttle character and V8 tone, this system delivers measured sound enhancement without excessive cabin drone.

Hand-finished T304L stainless steel construction with mandrel-bent piping throughout. Features JET-115 gloss black carbon fiber trim tailpipes and precision-formed resonance chamber tuning. Dyno-proven performance gains across the RPM band with engineered acoustic tuning at OE resonance points.

Specifications

• Material: T304Lstainless steel, fully welded
• Finish: Hand-polished, JET-115 carbon fiber tailpipe trims
• Fitment: Direct replacement, OEM hanger compatible
• Configuration: Resonated (lower volume, reduced drone)
• Sound character: Refined V8 note with refined low-frequency response
• Installation: Cat-back only (no downpipe modification required)

Milltek exhausts are engineered at the global manufacturing center and tested for fitment precision and acoustic performance.

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

Fitment

• Audi > S8 > D5 4.0 TFSI V8 Saloon/Sedan - Long 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.