need info td05h 18g: (from a greddy kit)

suppose that your engin s bulletproof:

how much boost can that turbo and internal wastegate handle ... ????

i ve google it can't find detailedd answer
some said 18psi and other 22psi

please help

thanx!!!

 

turbo is good for about 18ps, power falls off in the upper rpms real quick like whoa