SUBARU WRX BOV STI Blow Off Valve Forester bov EJ20 impreza

Remove the restricting stock blow off valve and replace it with this unit

Direct Bolt on upgrade for the stock EJ20 Blow Off Valve.

Fits:

Subaru WRX (MY01 - MY07)

Subaru STI (MY01 - MY15)

Subaru Forester Turbo (2005 - 2007)

Like all our valves, it relieves compressor pressure surge caused by changing gears or backing off

Designed for street to high performance applications Purpose built to bolt on the WRX Maximum flow and maximum noise

No adapters required Quick and easy fitment.

Large 2" diameter housing 1" brass piston,

BOV vents to the atmosphere