HI, i also use raybrig..dunno wat model..but less than 4500 k..3950 kua..not sure..the bulb is a littlebish goldish..but not the light..dam good..y? very bright..free bump!!!!!
There are quite a number of boost controllers available in the market. Perhaps I would list down a few such as HKS EVC, BLITZ Dual SBC Electronic Boost Controller, Apexi AVCR Boost Controller, SARD...