does anyone know what max boost pressure the garrett gtc1459vz is safe for (log attached)

[arron1995]

i have a stage 2 cr170 mapped by narco tuning, upon logging it, from 2300rpm-4300ish rpm the requested boost pressure is 1.75 bar, it sometimes overboosts slightly at the start of a run to 1.8 bar, from 4300 on its at 1.65 bar, does anyone know if these are safe boost pressures because if theyre not, i will ask for it lowering, i have attached a log via datazap

 

https://datazap.me/u/arronleeds/log-1634754127?log=0&data=1-3-4&zoom=2041-2298