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We sell and ship parts and accessories anywhere in the world. See our Export Page for details.
Simple, inexpensive, and effective way to control your boost level and generate more power from your engine.
Two preset boost levels allow you to switch from "street" to "race" boost with the flip of a switch from inside the cabin - even while under full boost.
Adjustable ball/spring design gets you to full boost hundreds of RPM faster than stock!
The Blow Off Valve Type-S is designed for small to medium sized turbocharged engines running 12 psi boost or less.
The Blow Off Valve Type-H provides greater venting flow than the BOV Type-S and is designed for turbocharged engines running 10 to 25 psi boost.
The BOV H-RFL is our loudest! We haven't had a chance to measure it yet but if you are trying to be inconspicuous this is not the valve for you. Based on the body of the RBV H-34 this is a high flowing valve recommended for 10 to 25 psi.
flowing valve, the Racing Bypass Valve Type-H34 is designed to be plumbed
back into the intake.
Designed for high boost applications, the RBV H34 is recommended for turbocharged
engines running 10
to 25 psi boost.
Specifically designed to replace the 1 inch (25mm) Bosch Bypass Valve. The RBV 25 relieves the pressure surge caused by changing gears or backing off the throttle quickly. The valve's spring tension is adjustable, making it ideal for chipped 1.8T's running high boost levels.
Bolt on adapter kits make it quick and easy to replace your stock or aftermarket Blow Off Valve. Type H adapters fit both Blow Off Valve Type H AND Racing Bypass Valve Type H.
Computers, exhaust systems and components
for the Subaru WRX 2002+, Lancer EVO and SRT4