hello all.....well the greddy turbine i had messed up already!!it sounds like its the bushing...kinda sucks cause i only had it for 5 months.......so im puting back the stock unit .....my question is how much can that turbo handle max psi????......hopefully greddy will replace my unit.....and yes it was installed by proffesionally by master tech Donnie from franks irvine subaru......thanks foe the replies!