Milltek Resonated Cat-Back Exhaust - Audi S3 8V Sportback - Polished Tips - SSXAU421

Milltek Resonated Cat-Back Exhaust System for Audi S3 8V/8V.2 Sportback (Non-GPF). Direct factory fitment replacement using OEM hangers and valve motor integration-no modification required. Hand-finished T304L stainless steel construction with mandrel-bent piping and quad round polished trims. This resonated configuration delivers engineered tone while minimizing highway drone, preserving OE backpressure characteristics.

T304Lstainless steel construction ensures corrosion resistance through harsh conditions. Precision CNC-formed components and hand-finished welds throughout. Decibel-tested for balanced acoustic character. Requires OE valve motor from your original exhaust for full compatibility.

Fitment:

• Audi S3 8V Sportback (2013-2018)
• Audi S3 8V.2 Sportback (2013-2018, non-GPF models)
• Uses existing OEM mounting points and hangers
• OE valve motor integration required

Every system is dyno-tested and EC-approved for quality assurance.

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

Specifications

• Pipe diameter: 76.2mm (3.00")
• E-marked for road use

• 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.