I'm Looking to Upgrade the turbo on my new st1i, i was hopeing o boost between 22 and 27lbs. is this possible on a stock block. if not whats the max. If it helps i HAve A catless uppipe, and catless race exhaust. Intake Piggy Back Unichip, antiknock sensor, BOOST CONTROLER, And all the gaUGES, f/a RATIO, EXHAUST TEMP, BOOST ETC. cAN ANY ONE HELP I DON'T WANT TO GRENADE MY MOTOR.