Anyone used those HID conversion kits for an existing headlight? I have seen them for sale for as little as $40 up to several hundred. I have tried different bulbs from cheapo xenons to the nicer PIAA's. They help but are a far cry from the HID's in my friends Mercedes. I'm sure the existing lens/reflectors have a large affect on the performance but if they help it may be worth a shot. Also, what light color is best? Don't really want blue or violet unless they truly work better.
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