Originally Posted by eonsx311
standard halogen rules apply (higher the temp kelvin =less lumens but prettier color)
hid's only offer this temp difference in the bulbs for looks
im not too concerned with color all that much so i would be satisfied witn some bright white bulbs.
You answered all your own questions

If color isn't a factor, go 4300k, brightest with most usable light.
Originally Posted by 18secFerio
h4 is one type of bulb size. 9003 is another type of bulb size.
:eh:
Originally Posted by bxsnypa
how is the HID output on projector headlights?
On halogen projectors, shitty.
On Xenon projectors, lovely.