An air pressure harmonizing system comprising: a central chamber hub, the hub having a longitudinally hollow body with a first and second end; a gauge means, positioned between the first and second ends extending radially outwardly from the body; an inlet port means, positioned between the first and second ends extending radially outwardly from the body, wherein the inlet port being configured and dimensioned to receive a standard sized air chuck; an outlet port means, positioned between the first and second ends extending radially outwardly from the body, the means being configured and dimensioned to selectively discharge surplus air to desired target pressure; and a plurality of air exchange ports extending radially outwardly from the chamber, wherein each air exchange port has a flexible conduit connected thereto, each conduit having a proximal and distal end, wherein an air chuck is cooperatively connected to the distal end of the conduit.