hey i just got an 02 wrx that already came with some upgrade, the sti turbo, sti top mount intercooler jdm fuel injectors, monomishu racing raditor, spt intake and 3in catless TBE, also the up pip had been gutted. i installed a boost gauge on it and a Forge BOV, i has having a stange noise coming from the turbo due to it is only bosting at max 10psi. the car has a XPT open source tune on it and i was hoping to be able to up the boost via reflashing the ecu. the spring in the BOV currently needs 15psi. is it possible to reflash ecu to boost higher? and with whats been done do you think that the block can handle it? please let me know!