Milltek 80mm Non-Resonated Cat-Back Exhaust - Audi 8V RS3 - Cerakote Black Tips - SSXAU893

Milltek 80mm non-resonated cat-back exhaust system for Audi 8V RS3. Direct factory fitment replacement engineered for enhanced exhaust flow and aggressive sound character without resonance chambers. T304L stainless steel construction, mandrel-bent tubing, hand-finished Cerakote Black trim tips.

Hand-finished T304L stainless steel tubing with CNC-formed flanges. Mandrel-bent 80mm (3.15") bore diameter for optimized flow dynamics. Non-resonated design eliminates stock resonance points, delivering a pronounced full-throttle note. Uses OEM hangers and mounting points-no modification required. Direct bolt-on installation.

Fitment

• Audi RS3 8V (2017+)
• Cat-back only (turbo remains stock)
• OEM+ direct fitment

This system is developed in-house, tested for durability and acoustic performance, and hand-finished to OEM+ standards. Non-resonated systems are intended for closed-course and track driving; confirm local regulations before street use.

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 to 2.5 hours, including removing the factory system

Fitment

• Audi > RS3 > Saloon/Sedan (8V MQB) > 2017 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.