New additions to the Kompact BOV range

The Kompact Dual Port and Plumb Back range has been extended and now includes 34mm inlet and outlet ports as well as 20mm and 25mm. The 34mm inlet/outlet Kompacts are ideally suited for Mitsubishi EVOs, Ralliart Colt, 3000 GTO, Nissan Pulsar Gti-R as well as a host of V8 turbo kit applications.



Kompact Dual Port – 34mm
Atmospheric / Bypass valve
Part Number: TS-0203-1023




Kompact Plumb Back – 34mm
Bypass Valve
Part Number: TS-0203-1223



See the full Kompact Range of BOVs and BPVs here

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3 thoughts on “New additions to the Kompact BOV range

  1. I own a 06 Mazdaspeed6. I’m looking to upgrade from the stock bpv. Any advice if I should run a full BPV or a dual port with VTA and recirculation? Upgrades are CAI, turbo back exhaust, and cobb accessport.

  2. I have recently replaced the stock bov with a 34mm Kompact plumb back bov on my EVO VI. When I let the revs drop from higher rpms (3000 rpm upwards) either in neutral or with the clutch pressed the engine will stall or come close to stalling. Any ideas what could be causing this? Thanks for your assistance.

  3. If you adjust the BOV by twisting it so the spring is harder, it should stop this from happening.