I have these modification on my car so far:

Stock Engine and Twins:

-Downpipe
-Silicon Vacuum Hose Job
-HKS Mega Flow Intake
-HKS Hi-Power Catback Exhaust System
-HKS SSQ Blow Off Valve
-HKS turbo timer
-Blitz FMIC Intercooler Kit
-Underdrive Pulley
-Autometer Boost Guage
-Aluminum Coolant Recovery Tank

I'm boosting: 13, 10, 12 !!!
The only modification done to help was a remapped fuel computer installed..
I have no idea what the brand of this is, because I bought the car with it installed on it already!!!

Am I alright like this, or do I still need a Power FC or some other good brand of ECU. I was thinking about HKS, or Greddy pop off valve to help if boost spike ever occurs!!
Do you guys think I'm alright with these mods without a power FC.??? Thanks

 

Depends on what remapped ECU you have (fine if you have Pettit, M2, etc. instead of Joe Blow Rotaries ECU), but you should be OK.