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GREAT link ThanksHere is a link with some decent information about LEDs and their intensity and beam pattern. It should probably be considered as only one source of a couple and not your only source, but they show 15 different bulb's performance while mounted in a RAM housing. I thought it worth the time to watch and even scribble a few notes about which ones I might be willing throw some money towards.
I personally have little experience to add with the LED lamp.
2016 RAM 2500 Puthie Wagon | 392ci w 6spd | CAI w ARH long tubes & MF | Diablo T2 w HF tune | 5.13 AAM w 35" Mickey MTs | Custom Graphics w illegal tint | Dodge Off-Road