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BOV and Mappiing: Subaru Legacy GT BP/BL5

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  • #838713
    Mulunda KisikaMulunda Kisika
    Participant

      Am new to engine mods and at etcg but really interested to install a dump valve and increase car performance. Any links on this that i can read and review before I go ahead with the mods? Any advise is welcome as well. Feel free to ask for extra information needed to better help me

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    • #839481
      zerozero
      Participant

        A BOV won’t create more power. It will make noise and allow you to tune the release a bit more, but it won’t help you make more power. Boost is controlled by the wastegate, the wastegate is controlled by the actuator, which is controlled by the PCM.

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