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Old 02-15-2013, 04:35 PM   #5
marcymarc
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Member#: 112861
Join Date: Apr 2006
Location: VA
Vehicle:
2013 STi sedan
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iirc you should be hitting around 12.5-13.5 on a stock tune.. it will peak at these numbers, and not hold steady FYI.
before doing anything, i would double check your calculations from mpa > psi...

if your numbers seem correct, i would perform a leak down test to see what/where your leaking boost at.
dont go replacing stuff until you know what needs to be replaced.

marc
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