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Boost is a measure of restriction. Less restriction equals lower boost and more volume therefore more power. I do not know the turbo map of our cars but you do not want to lower the boost and end up outside the turbo compressor map.

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What? Boost is measured on the compressor side not turbine side. I think its computer related since its a torque regulated vehicle. Also if you are making the same amount of power at a lower boost level than thats better. Heat accounts for 65% of turbo spool.
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