Yes, you stay away from cranking up your boost, you have a much higher risk of f'n up your car, plus your car needs to be taught what you want it to do, if you just go in and crank it up it will be very bad for it. Treat these cars like precious babies.
Grimspeeds three port is a great BC, just needs pro tuned for, so add it along with other mods to get your money's worth from your tune.
Ps. The gurus here will evaluate your logs if givin
2002 blaze WRX- sold:(
2011 Wrx limited
99 Fozz- sold
Eagle eye crew