Duping a legit item or dupe of a legit item: no.
Duping a hacked item or a dupe of a hacked item: possibly, but most likely not.
idk in the PAST i have had like a lvl 134 hacked and gave hime duped hacked stuff from t the begining and he never found a rare, take into mind this is on psox
this topic was alrdy made.....
Stacking and Hacking will, duping usually does not. This should be a sticky I see this far too often.
Stacking and hacking has not without out a doubt been proved to lower/higher/kill drop rates
Ok I had made a post like this, it should be stickied cause I know what I'm talking about, and I have several posts there that prove me right