Doat;1851338 said:this downpipe is pissing me off I can't get the other 2 nuts for the O2 sensor housing, I can get a wrench in there but it's just stuck even though I have sprayed it many times with PB blaster and other types of sprays
get a propane torch
heat up the nut(the pb blaster may catch fire...but it wont be a huge fire
then try to remove it
are you removing the o2 housing from the turbo or are you underneath the vehicle trying to unbolt the downpipe from the o2 housing?