I do true Bi-xenon HID Projector headlight conversions. Not the fake-o blue painted bulb
swap, that produces glare, but the real thing. Shine the glare at the cops and
they want to stop and talk about it. Put the light in the right place with the proper
bulb and they leave you alone.

I use real projectors from Japan, and not the fake-o ones screwed into the housing.
When you change beams, the bulbs stay on and hot, until you cut them off-OFF
and then they cool off instead of blowing out the bulbs.

Each conversion is done for an individual car, and I have to see the car to give
an estimate.