Thread name says it all...What all do I need for a 2.1L KB on Stock 03??
My list,
larger Maf, TB, Plenum, CAI, and tune? on 9 PSI okay for stock 4.6L?
My list,
larger Maf, TB, Plenum, CAI, and tune? on 9 PSI okay for stock 4.6L?

for the 2v's now and a 2.8 for the terminator
now