So I made a FI Build List for myself and though I'd share
I also see people say with supporting mods so this could help clear up what those are too.
GTM Stg 2 Turbo Pkg: The Works
Besides the normal things like fluids, gaskets, and tuning
Includes:
HKS Plugs Heat Range 8
600CC Injectors
Walbro 255lph In Tank Fuel Pump
34 Row Oil Cooler
OS Giken Twin Plate Clutch W/ Damper
Slave Cylinder Upgrade
3" Downpipes w/ TiAL waste gates recirc
3" Cat Back
BLITZ SBC i-D III Boost Controller
GTM-AFR/Boost/Oil Pressure Guages
Extras:
Steel Braided Brake Line
Steel Braided Clutch Line
*Fast Intention HFCats 300 Cell Metallic
NISMO Limited Slip Differential
*HF Cats could be in the package imo but it isn't listed.
Optional:
HKS CAMP2
HKS TURBO TIMER TYPE-1
CSF radiator
Oil catch can
Fuel surge tank
The package alone is 19k including installation. The Extras will put it at around 21-22k differentials are expensive.