okay I have a GSR getting built and I am wanting to tune it after getting built at mainstream...
what prices and numbers can I expect with the following parts??

pr3 pistons
arp rod bolts
arp headstuds
3 angle valve job
skunk 2 IM
CAI
2.25 straight pipe... 4-2-1 ceramic headers
walbro 255 FP
440 cc injectors
head mill