ClubWRX Forum banner

blow off valve

  1. Personal For Sale & Wanted
    I have a HKS SSQ blow-off valve that came off my 06 wrx. Not sure of the mileage on the part, as it was on when I bought the car. It was working fine before removed, I just went back to the stock bypass valve. It also comes with the plug to cap off the return hose going back to the turbo. I...
  2. General Maintenance, Troubleshooting & Accidents.
    So I'm not exactly sure whats going on but on my brothers and my friends wrx they are both making a loud whining noise when boosting. It almost sounds like its supercharged its weird, but basically, both of them put a Blow off valve on and then this started happening, except for on my brothers...
  3. Engine Modifications
    This is the big BOV thread. If you didn't find this thread, you didn't search. This thread is where all BOV question threads get merged into. The quote below in this first post is from our BOV info sticky and contains links to some very explanatory BOV information. Please take the time...
Top