Aside from pulling out a ground wire and unplugged the fuel gauge sensor the forced bumper removal caused no damage. The last time I re-wired the bumper, I included a flat 4 trailer plug between the body and the bumper, and that saved the wiring harness from any real damage.
The bumper was reinstalled without the stock tow bar, and currently working a plan is being formulated to integrate a receiver hitch into the bumper.
The nagging drive line vibration that I've been chasing is finally gone and I'm finally able to move on to other projects... the bumper, installing the roof rack and other stuff.
For now, I'm just enjoying driving it.