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      07-28-2011, 02:06 PM   #7
Roman@ESS
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Drives: ESS M3 / M4
Join Date: May 2007
Location: AZ

iTrader: (6)

Boost on this kit is 100% mechanical. There is no way that software will affect boost. There has to be major restriction or leak somewhere in the system. As AJ suggested I would dyno the car with a boost and AFR log and send us the files. You can also always send the vehicle to us if you cannot find the source of the issue.