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  1. J

    Overboosting problem

    We adjusted the arm on the wastegate so that the wastegate flap valve would be open a bit. Thats how we were able to reduce my boost. Idk I was thinking it was the tension spring in wastegate actuator. Because the older owner had different mods on it, and I dont know how much boost he was...
  2. J

    Overboosting problem

    Aaa ok, thanks for the help guys appreciate it. Also what sites do you guys use to order your parts of ? I've been looking at JSC, Ebay, Amazon, and Evasive Motorsports.
  3. J

    Overboosting problem

    How much do you guys charge ? And where are you located ? Also with a protune, do I have to get it tuned every time I put something new on my car ? Because I'm saving for an HKS Hi Power exhaust and a HKS downpipe right now. But in general I will be putting on all bolt on stuff first before I...
  4. J

    Overboosting problem

    Would going with a VF 48 turbo help at all ? Got a buddy with a 2015 STI and he is going to upgrade everything and willing to give me his stock turbo.
  5. J

    Overboosting problem

    Its a stage 1, OTS map from COBB, and its stock downpipe.
  6. J

    Overboosting problem

    Yes, I've put a 93 low wastegate tune, from COBBs access port.
  7. J

    Overboosting problem

    Hello, I wanted to know why my 2005 STI would be overboosting. It has a TD05H 16G turbo, a Grimmspeed MBC, and a Grimmspeed intake manifold. Everything else is pretty much stock on it. When I'm driving it and stepping on the throttle my COBB access-port reads that I am pushing 23.96 PSI boost...
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