fd3virgin

i have dp, cat back. have apexi intake in my room & waiting to order pfc. should i order the pfc and drop in the intake ???? or wait on the pfc and intake and order an aftermarket radiator (fludyne)????? are they easy to install??? when should i also get an front mount intercooler???? after the pfc?????? sorry it's too long but where is the best place to hook up a boost gauge light. and what color wire?????? 93 black touring. thanks kevin.