Originally Posted by
manlikesford
It is not attached to anything and looks like it was added by the previous owner. It is also old, by the way the construction of it looks. It seems to be fairly large for a power brake unit, but maybe.
I have a hydrovac unit, if you want to email a photo to me through the FTE site, I could verify. They are not small.
Better yet, just Google hydro vac, click on images, a bunch of photos will come up.