v8powered,
It would help to know what mods you already have, as there are other mods that give you much more bang for the buck than cold air kits, larger MAFs and throttle bodies. (although they do help a bit...)
In the words of Dr. Evil... Need the info!
------------------
"The Yellowjacket"
1998 Mustang GT
13.97@103
"Traction Impaired" or "Nitto Needy"