Mactruck,
With the HY-35 turbo(plugged hardline), VA, boost module, 275's, K&N in the stock box(no snorkle) and a 4" exhaust... ... . 30-32psi
Gary... .....
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01' 2500 - QC/SB, ISB w/Auto, 4X4, 3. 54 LSD, Solid White - Westin Bars, A. R. E. Cap, Bug/Vent Sheilds, K&N...