Hiya and welcome aboard.
No... Your computer is not setup to deal with either of those components. That mass air meter you have there will screw up your Mustang's entire world without modification to the EEC itself. In other words: You would require digital tuning at the very least in order to use that mass air meter.
Regardless, neither of these items together or separate, are going to increase the performance on your car. The things that you are trying to modify (in this thread) are both supporting mods. They are things that you would do
because of an increase in HP and not
for an increase in HP.