Dual outlet-type BOV. The Kompact Dual Port vents both to the atmosphere and back into the air intake. Ports with sequential timing allow quieter operation during normal driving, while still offering the performance and sound of a vent-to-atmosphere BOV when the going gets harder. The standard blow- ...mere

The Kompact Dual Port blow-off valve is a direct replacement for the stock bypass valve on the Subaru WRX MY08-14 as well as the new Nissan Juke/Pulsar Turbo. Standard valves crack with age and heat cycling, and rely on rubber diaphragms which perish. They're also simply not designed to handle incre ...mere

Dual outlet-type BOV designed specifically for the Subaru 98-00 Forester and MY99 WRX. The Kompact Dual Port vents both to the atmosphere and back into the air intake. Ports with sequential timing allow quieter operation during normal driving, while still offering the performance and sound of a vent ...mere

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. Supplied With:Green Spring Rated -15 InHg (installed). 

Our latest Kompact Smart Port made specifically for the 2015 WRX features the innovative new Smart Port drive-by-wire friendly staging technology that gives you the response of a plumb-back valve, with the high performance benefits of a vent-to-atmosphere valve. The Smart Port system involves a new ...mere