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07-01-2009, 08:42 AM
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#14
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G.O.A.T.!
Drives: '18 GMC Yukon XL
Join Date: Mar 2008
Location: New Jersey
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Yes sir...
Quote:
Originally Posted by DevJ
When you say that boost can be upped to 4.75 psi with the JB+ how exactly does that work? Is there a switch that changes it?
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