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  1. Engine Modifications
    Is there a difference between a blow off valve and a bypass valve? If there is what is it and what’s better?
  2. Engine Modifications
    So I just installed a grimmspeed downpipe and flashed to stage two, fixed an exhaust leak yesterday and we disconnected a hose coming from the bypass valve to what seemed like the intake manifold. Now it sounds like a screeching monkey under boost and boost fluxuates and stays negative until...
  3. New Member Introductions
    Whats up guys, so i bought an 04 wrx yesterday and im already ready to put some mods on it. Im not sure what brands of BOV's are best, I have also heard that my car might have a bypass valve? Im new to the whole turbo thing so i honostly dont know how to tell. Any info regarding this/ personal...
1-3 of 3 Results