As stated already, dont bother getting the intake without the tune, you wont see much difference. Unlike the old 5.0 push rod motors, the 4.6 3v needs to be told about the increase in air volume in order to take advantage of it. Everything is computer controlled, if its not made aware of the changes your just throwing money into the wind. Save up that extra $375 or use your Credit card and pay it off slowly, trust us, its worth it.