All I want is info on a 4 - 5 psi t25 turbo with starion intercooler and hks bov. no more than this cause I have other mods like 10: 01 pistons and extrude honed intake and heads and rc TB and maf nismo cams and fuel press/. riser. will I need to upgrade ecu? and get bigger injectors for this little boost? how can I keep the boost this low 4-5 psi? please help cause I'm new at this turbo game but have te cheddar. a place offered me 1400$ labor if I give them the parts needed minus piping. what do ya think?