Unless you are running a hot tune with wide PW at lower RPM and boost, stock will not smoke. Your boost seems fine. Anything over 20psi should not smoke at all. However, if your vanes are stuck more open, it could smoke at lower boost and rpm. With what you have added, I would look more at inspecting/cleaning the turbo. The other area to check is your new up-pipes for leaks, but the ability to generate boost don't really support a big problem here.
-I've got smoke from light throttle (not as bad) to WOT(this is the worst point), there's even a bit of haze at idle (engine dosen't burn a drop of oil)
-I had the same problems before I replaced my y-pipes, old ones had no signs of leakage, new ones don't either.
-I honestly don't remember if I had these problems before I repalced the turbo, I was 100% stock at that point, there has always been a light haze at idle, which leads me to believe the problem was always there, but any
form of tuning seems to agrivate whatever my issue is. I'm going to try and get my hands on an aftermarket turbo and see what happens......too bad MTW is offline right now, I'm sure Adrian could build me something to sort this out
If you had very late injection (something would have to be wrong with the PCM/FICM or a bad tune), that could cause this problem.
-FICM has been replaced (original was low voltage), tried a test FICM to verify the new one didn't have issues as well. Swapped the PCM with a known good test unit, no difference
Going deeper, you might want to check your cylinder compression.
-Did a compression test when i had the cab off for studs, all cylinders are good, ~400-420psi. Also had my heads machined and pressure tested while off, 100% good, the block deck was almost perfectly true, any warpage was within spec.
Oh and I got rid of the kitty a long time ago.