BLOW OFF Type H WRX - for Subaru Impreza WRX GH

Designed as replacement for the OEM recirculation valve for  Subaru Impreza WRX GH (does not fit STI GH) . This is hybrid blow-off valve which returns part of air like recirculating valve and part is going outside with characterisic "woooshh" sound. By using our hybrid valve you can prevent "engine check" light on.

(please mind this is high quality product made in Poland EU not cheap cast from China)

This turbo blow-off valve is dedicted for:  Subaru IMPREZA WRX GH (does not fit STI GH).

Kit contains two set of blow-off springs for different boost levels and seal for blow off flange.

Blow off valve is supplied with two valve springs - a soft spring and a hard spring.
The soft spring is already installed in the valve and will be perfect for 90% of applications.
The harder spring is supplied separately for self-installation, is designed for higher than stock boost level.

Note: We recommend installation of the valve by a specialized company. Blow off is dedicated to track use and sports cars. The blow-off valve, installed instead of the stock DV valve, may cause a check engine error. If this occurs, remap should be performed to adjust ECU to change done in the intake setup (disable check engine errors permanently).

ProPerfekt is polish company produces high quality aluminium CNC machined race parts blow off valves, MBC, blanking plates, diverter valves, adapters, pulleys, swirl pots, catch tanks etc.

All parts are for Subaru Impreza Blow-off manufactured and designed in Poland.

We ship worldwide! Our online shop is always at your service!