2wd sub should mount to the outside of the frame.:eeek: unless its off of a 93-up. dont know what your box is off of, but they are all pretty close, I say run it.
did you ever put an astrovan box on your truck to help with the tierod cross problem?
Its like a huge JACK IN THE BOX!
You watch and watch, all the while knowing its gonna blow, then BOOOM!! I jump every time!
Ask Bobby about the whole he fixed in the roof!:redneck: