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Milltek Road+ Cat-Back Exhaust - Audi B9 RS4 Avant RS5 - Cerakote Black Tips - SSXAU861, photo 1 of 2
MilltekSKU: SSXAU861

Milltek Road+ Cat-Back Exhaust - Audi B9 RS4 Avant RS5 - Cerakote Black Tips - SSXAU861

$3,941.88 Available

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Make sure this fits your car

Fits: S4 / S5 / RS5 B9

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  • Shop tested in Dallas
  • Free pickup in Dallas
  • Installs at our shop
Questions about fitment?Call or text 945-954-1142. We respond same day.

Milltek Road+ Cat-Back Exhaust System for Audi B9 RS4 Avant and RS5 Coupe (2018-2019, Non-GPF models). Direct factory fitment replacement using OEM hangers and mounting points; no modification required.

Constructed from T304L stainless steel with hand-finished Cerakote Black oval trims. The 2.76" (70mm) mandrel-bent pipe maximizes exhaust scavenging. Road+ design balances resonance tuning between full non-resonated and resonated character-engineered as the optimal upgrade when pairing with turbo-back systems or standalone cat-back installation.

Fitment

  • Audi B9 RS5 Coupe (2018-2019, Non-GPF)
  • Audi B9 RS4 Avant (2018-2019, Non-GPF)

Technical Specs

  • Pipe Diameter: 2.76" (70mm) mandrel-bent
  • Material: T304L stainless steel
  • Finish: Hand-finished Cerakote Black oval tips
  • Fitment Type: Cat-back (turbo and cat remain OEM)
  • Installation: Direct replacement, OEM+ fitment

Every system is dyno-tested and EC-approved for street use. The Road+ tuning balances mid-range responsiveness with controlled resonance-ideal for daily drivers seeking tangible performance without excessive drone.

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