Good morning all, I am hoping you guys might be able to help me out with something. over the last few days i have noticed an issue with boost in my car, the issue is intermittent. occasionally after startup the car will not produce more than 6PSI of boost, and the wastegate will only go to 60%. my drive for work is a good distance(65 miles) and usually at some point of the drive everything will begin to behave normally, wastegate will go 100% and i will build 25PSI. i also have a separate(possibly related issue) where occasionally during WOT at high RPM and full boost i will get a little smoke/vapor from my exhaust. I am still relatively new to turbos, having come from a supercharged car and still trying to learn everything i can.

as for mods, for reference, i have a GTX2867, intercooler, piping, synapse BOV and custom tune(that for the last year of owning the car has been fine)

i have tested the BOV and it works as intended, there are no leaks in the piping that i can find, and i have tried reloading the tune and resetting ECU and KAM