What fuel pump are you running now?
For my boost upgrade, the setup is:
3" Short Ram
Kamikaze 2.5" Header
Carsound 2.5"in/out Cat
Thermal 2.5"
Endyn/MVM Stepper Pulley
Walbro GSS317 (Hondata can use stock pump)
DSM 450's w/resistors
Hondata S200B
Never mind more **** on top of it, like a clutch/flywheel, etc...
Its expensive...if youre doing it, do it right so it lasts.