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Message: <blockquote data-quote="humms" data-source="post: 719366" data-attributes="member: 41986">it's only slightly whiter and brighter.. rated at 4800k, not as white / blue as those 5500 or 6000k HID (with lower lumens though for these whiter / bluer / higher K bulbs)it's quite hard for me to take before and after pictures (in terms of photography) because i would need a place with no intrusion of ambient lighting with all other variables being set) and also to set both before and after shots with pre-set exposure.. so ultimately without the proper place, i decided not to. another option is to fit the stock in one, and fit the new bulb in another and capture that shot, however, after doing some research, it's noted that you should not light up the bulbs with 2 different ratings at the same time.. so decided to be a no go as well..if you really want whiter temperature, you should at least go 5000k and above.. the Osram CBI (cool blue intense) is a good candidate, it's rated 5500k if not mistaken..</blockquote>