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Discussion Starter · #1 ·
my buddy has a 2004.5 duramax with the edge juice,straight pipe, and stock intake he says he can only boost to about 22psi. is that normal or should it be more, cause i can boost 27psi in my '96 psd w/ dyi intake, superchips. and 4' exhaust
 

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If he is reading boost from his Edge, it will not show boost above that level.
 
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