| hey DURAMAXISKILINIT does that kd boost valve work good. can you make 30 psi with it
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2001 GMC 2500HD SIERRA 4x4 ext cab sb
4" flo pro exhaust that duals out of the muffler.
AEM cold air intake.
Van Aaken smartbox 70 and 110hp settings
KD boost valve (just installed) |