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  1. 2015+ STI Discussion
    SI drive flashing S, traction control, cruise control flashing. Installed ** Cobb- flex fuel sensor/ fuel pressure/ sf ram intake Turbo smart- FPR AEM- x-series UEGO gauge p/n 30-0300 Tomei- equal length header/up pipe TB6010-SB02B Grimmspeed- catted down pipe/ Ebcs Crawford - AOS v3 Injector...
  2. FAQ/Newbie Forum
    I just picked up an 05 STi and it was running fine. I went to install an accessport and now the vehicle has a hard time accelerating but will build boost. It almost feel as if i were hitting the rev limiter. Could i be that the vehicle has a grimm speed boost control and the tune it is currently...
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