House power tips plz

I want to put some gibson headers and a cold air intake and a throddle body spacer for my 1997 dakota 3.9L but do i nd to change any thing to do all that because i don't want to mess up my cumputer .

What kind of hp would i be looking at gain would it do

first dakota don't know much about them:smokin:

You might get better results posting in the DAKOTA section instead of the DAYTONA section!!!