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I have "projectors" like that in my truck and that disk in the center helps none, and actually hinders performance a bit. Get the housings with the star shaped reflector in the center and I can gaurantee happiness in the light quality. And stay clear of the black housings. My headlights do not blind anybody, but still put out awesome quantaties of light. Its mostly about the aiming of the lights.
Are those for the low beams in a four lamp system?
I started my truck and skateboarded around the corner and down the street towards my truck and crouched down a bit so I would be at a bit of a typical viewing angle and adjusted my lights down to make it tolerable when I installed them. Then one night I was in my brothers car and my dad was looking at my lights when we came down the street and they didnt blind me at all. They were no were the same as standard headlights head on, but more depth at a distance.