D2S is not easily converted to D3S or vice versa. Ballasts and bulbs are needed. The Retrofit Source was blowing out some 6k D3S bulbs for $30 for the pair a while ago. 6k is a little to blue for my taste. If you google the color and D3S there are some available. Just not sure about the quality.
But I agree the OEM ford HID is not very good.
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