11 WRX High-gear sputtering after grimmspeed ebcs install/pro tune
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04-08-2013, 07:13 AM
West Chester, PA
2010 Forester XT
Also, the reason you only hear it in gears 3-5 is because you have not built full boost in 1-2, so the EBCS has not hit its threshold and essentially doesnt have to do anything.
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