I'm sorry if I sound stupid for asking this...but anyway.
I just got Aussie's WRX and he had a Blitz SBC I-D or something boost controler in it. I can't seem to find any information or manual for these and I'm scared to change any of the settings. Its running right at 20 psi right now and I was wondering how to turn that down. I just want to learn more about all these buttons. Anyway, any help would be good. And is 20 psi safe on stock internals?