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boost drop

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talongod

20+ Year Contributor
274
0
Nov 24, 2002
Mayfield Hts., Ohio
I have a 97 tsi w/ intake, 3" exhaust, 1g bov, uicp and mbc my boost guage when floored reads 15 and then drops to like 12 and stays i tried the intake pressure leak test and i found no leaks what can this be?
 
On the stock t-25 the boost falls off a few psi in the higher RPMs like around 6k. That might be whats going on.
 
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