alright someone tell mewhat would be better for the money.

Pro-m 75mm maf
or
Pro-m 80mm maf

also what kind of gains am i gonna see.

and the 63 mm throttle body

99 se sport
hyper ram air intake
custom cold air box
2 1/4" catback
tsudo muffler
eibach lowering springs
hyper white lows & fogs
panasonic 801u head unit
memphis 5x7's