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  1. ECU Tuning & Performance Electronics
    Hello Everyone, I have a bit of a boost issue and would like to know if anyone has ever had similar. I have a 2019 STi and am having an issue with my boost. No matter what my tuner does with the WGDC I always hit 17-19 psi. Even when its set to 0 and I should be hitting spring pressure it still...
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