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blow off valve

  1. Personal For Sale & Wanted
    i have a 3.5inch aps catback for sale or up for a trade aswell. also ive got an hks bov i can part with.
  2. 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...
  3. Personal For Sale & Wanted
    Selling a great condition Greddy Type RS blow off valve. Used but in VERY good condition! Original Classified listing at the following URL: VWvortex Forums: FS Greddy RS Blow Off Valve with Recirculatory Setup
  4. 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...
  5. Personal For Sale & Wanted
    Hey everybody I have a turbo xs turbo back exhaust system for sale with high-flow cat and Standard TurboXS muffler (not RFL). It was on my 06 WRX for about 8 months until I put the stock system back on when I sold my WRX this summer. It is in great condition and I am asking $800 OBO. I am open...
  6. 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...