If you like the color in 8K, that's a personal preference. FACT is that 8K HIDs are dimmer than a top end halogen. The higher the kelvin rating, the dimmer the bulb is. This is why OEM is almost always in the 4k range.
2000 Mustang GT Steeda #0048 34k miles. 99 Cobra 4V swapped, FTBR IRS swapped, exhaust, tuned by James Gordon.
Just because I give you advice, doesn't mean I know more than you. Its just means I've done more stupid ****.