For the passenger side, I decided that right under the horn would be a good spot
There was already a hole on the top for the bolt, and I ziptied the bottom on. My drill was dead and I'll drill out a hole next time I get it inside.
And here is the finished project (passenger side) vs an aftermarket *6000k* bulb.
They don't look that different until you look at the light output on the ground. The HIDs are much whiter.