ukturbo

My brother has got one of these it was off his sti would it be worth putting it in my car an my97 impreza turbo mods i have done is scoobyworld afterburner vortex back box afterburner decat downpipe k and n induction kit. I have ordered a boost gauge and that should be here by thursday what is the maximum boost i can run my car at without making it go bang? Any help or advice will be greatly appreciated

ukturbo