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manual boost controller

  1. Manual Boost Controller * HELP*

    Engine Modifications
    I am pretty new to this. I have a 2003 WRX wagon, and Recently, I installed a SPT air intake, and a 3 gauge cluster in the place where the clock used to be. The first thing I noticed with the Boost gauge, is that the needle goes up to a bit higher than .5 bar and then falls. I understand...
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