Full recirculating BOV. The Plumb Back system recirculates all excess pressure back into the intake system. Great for enthusiasts not wanting to be noticed but wanting the performance and reliability benefits of a quality BOV. APPLICATION: Fits most cars using the factory BOSCH or DENSO bypass valves.
Please note; (25mm) for twin-turbo applications, such as the Audi S4 2.7L (B5) 97-01, this will require two valves.
Sizes 20mm / 25mm / 34mm
Supplied With:
- Green Spring Rated -15 InHg (installed).