true...but the PCM will run him about 350...thats most his money right there. The first rule of modding is to get the motor breathing better. by getting the CAI, TB, headers and exhaust on you will see almost the full gains eaxh can give!
right now I have the intake, TB and exhaust...but no headers....I probably got 5 rwhp from the TB but by adding the headers it will cause the TB to give mre effect....so basicly headers will give you better gains from your intake...and you will get better gains from your intake if you do stuff to the exhaust!!
I have the PCM too....but I would wait to get that after getting the motor breathing (you will also see a couple MPG after the intake and headers are on) the only reason I got the PCM before the headers is cause I COULD NOT pass up the deal I got!!! with my set up now...once I get my headers I will see better gains from the headers than what they are advertised for.
horse power is not figured simply by adding the advertised gains from each mod together....you have to take into account how these mods will react and complement each other

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[color=green][i]96' Ram Sport 1500, 5.9 w/
Mopar Performance PCM
Fastman 52mm TB
Edelbrock Headers
Flowmaster 40 series exhaust
Custom "Y" pipe
"Performance Cat"

MAC Air Intake w/ K&N cone filter
with a "Home brew" Ram Air
MSD 6A Ig