Milltek Road+ Cat-Back Exhaust - Audi B9 RS4 Avant RS5 - Polished Tips - SSXAU856

The Milltek Road+ Cat-Back Exhaust is engineered for the Audi B9 RS4 Avant and RS5 Sportback (2018-2019, non-GPF models). Direct factory fitment using OEM hangers-no modification required.

Constructed from T304L stainless steel with mandrel-bent 2.76" (70mm) piping, the Road+ delivers a mid-range sound character that balances resonance control with full-throttle presence. Hand-finished polished oval tips. The system replaces the factory cat-back assembly and integrates seamlessly with OEM secondary cats and valved systems.

Fitment

• Audi B9 RS5 Sportback (2018-2019)
• Audi B9 RS4 Avant (2018-2019)
• Non-GPF models only

Specifications

• Pipe Diameter: 2.76" (70mm) mandrel-bent
• Material: T304L stainless steel
• Finish: Hand-finished, polished oval trims
• Type: Cat-back system (turbo-back compatible)

Dyno-proven performance gains with engineered tone tuning. Milltek exhausts are developed and tested to deliver both measurable power and refined acoustic character-engineered to exhilarate.

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

Specifications

• Pipe diameter: 70mm (2.76")
• Fitting time: 2 to 2.5 hours, including removing the factory system

Fitment

• Audi > RS4 > B9 2.9 V6 Turbo Avant > 2018 and Later
• Audi > RS5 > B9 2.9 V6 Turbo Sportback > 2018 to 2023

• 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.