4300-4500 gives the whitest, most usable light. As you go higher the light turns blue, then purple. Some people like the higher numbers because they want the look.
Chris03HD said:Search for a post i made on my 6500k i installed.
very happy with them so far, and night time driving is much improved.
Got them from a buddy of mine, new, for 250 shipped!05BLIZZARDLE said:Which brand did you go with...and where did you buy them? Price?