Anyone installed a simple roll bar for frame stiffening/safety in their convertible?

I was able to install the roll bar without cutting into the side trim panels, but then I ended up drilling a hole in the side panels so I could through-bolt the rear door pillars to the roll bar. The bolts go inside a piece of 3/4" pipe that I notched to fit the roll bar. The car was a complete junker to start with, so I'm not trying to create a restoration miracle out of it.