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#8: 10-01-2012, 07:00 PM
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Title: Authorized Tuning Vendor
Location: Colorado - Cryotune Performance
Car: 06specB,2011 STi,2015 WRX
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See if you can find someone local to you that can pull a learning view. That will initially tell you a few things. it will let you know if the ecu has reduced boost to wg pressure because of knock and lowered iam or if you have a gross post turbo leak causing the lack of boost. Otger than that just check everywhere for leaks but it sounds like wg pressure to me as well.