Ideal and affordable for the small project
Adjustment via the unique set and forget system
(packing shims included)
Supported by Multi-fit adapters
Best suited to engines up to 1.5L in capacity

Features the unique variable exhaust port system resulting in superior venting of excess pressure
Adjustment via the unique Quick Wrist action
(no spanners required)
Supplied with a 38mm weld-on adapter to suit stainless or steel piping
Supported by Multi-Fit adapters
This valve will perform best on engines above 1500cc.

For the serious enthusiast NOT wanting to be noticed
Maximum flow without the noise
Adjustment via the unique Quick Wrist action
Supported by our Multi-Fit adapters
This valve will perform best on engines above 1500cc.

BOV that will vent to atmosphere and back into the air intake
Dual ports with sequential timing allow quieter operation during normal driving loads with the benefit of a Supersonic during race conditions
Supplied with a universal blanking flange to reconfigure to plumb back or atmospheric dump only

For the serious enthusiast wanting to be NOTICED.
Maximum flow and maximum noise
Adjustment via the unique Quick Wrist action
Supplied with a 38mm weld-on adapter to suit stainless or steel piping
Supported by our Multi-Fit adapters
This valve will perform best on engines above 2000cc with more than 14psi boost.

This BOV is now the highest flowing in our range, out flowing all Japanese and locally made BOVs available. It also caters for the show cars that wish to stand out from the crowd.
Best suited to high performance applications
Maximum flow and maximum noise

Purpose built for the 2001 & 2002 model WRX
No adapters required
Quick and easy fitment