Sure have. Used a jab saw (for cutting sheetrock) and hacked out my space, then drilled some small pilot holes in the front cross member, and put the mounting brackets on with larger self-tapping screws. I didn't take the front bumper off, but used drill extensions, etc. to get around it. I have them controlled by an FJ switch in the center console.
If I had it to do over again, I might have used something a little more precise than the jab saw. It cut the plastic very well, but the cut lines could be a little more clean.