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Forge Motorsport Atmospheric Dump Valve for Audi RS4 B9 and RS5 F5

SKU: FMDV27A

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£367.84
Tax included

Stop boost leaks on your Audi RS4 or RS5 with the Forge FMDV27A Valve Kit. It is made of strong alloy and gives you a great blow-off sound.

Or pay 12 installments of £30.65 with humm. Available at checkout. UK & IE residents 18+. Subject to status.
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Keep your 2.9 TFSI engine running safe and strong. The Forge Motorsport Atmospheric Dump Valve Kit (FMDV27A) is built just for the Audi RS4 B9 and RS5 F5. The standard factory valves often break when the boost goes up. Forge uses strong billet alloy and a metal piston to fix this forever. It connects straight to the car computer with a special harness. You get no warning lights, just a solid drive and a sporty "whoosh" sound.

Forge Motorsport Atmospheric Dump Valve Kit for Audi RS4 B9 RS5 F5

Key Features & Benefits

  • Very Reliable: Uses a strong metal piston instead of weak rubber.
  • No Fault Codes: Comes with a wiring harness so the car stays happy.
  • Great Sound: Vents air outside to make a cool blow-off noise.
  • Fast Action: Opens quickly to protect your turbos from damage.
  • Full Kit: Contains two valves, wire harness, tubes, and springs.

Installation & Workshop Services

These twin valves require careful wiring. We highly advise a professional fitting. If you do not want the loud sound, look at the Forge FMDV27R Recirculating Valve. Our mechanics at MGM Leeds can install this kit cleanly.

Download the Installation Instructions

Contact MGM Leeds for Installation


Atmospheric Dump Valve Installed on Audi RS4

Compatible Vehicles

This twin valve kit fits the 2.9 TFSI V6 engine in these cars.

Make Model Engine
Audi RS4 (B9 Chassis) 2.9 TFSI V6
Audi RS5 (F5 Chassis) 2.9 TFSI V6

Important Note: This kit is only for the RS4 and RS5. It will not work on S4 or S5 cars, because they need a single valve.

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MOORFIELD GARAGE LIMITED is an Introducer Appointed Representative of Ideal Sales Solutions Ltd, t/a Ideal4Finance. Ideal Sales Solutions Ltd is a credit broker and not a lender (FRN 703401). Finance available subject to status. The rate offered is always provisional and will depend upon your personal circumstances, the loan amount and the term.