Yeah, I'm kinda confused on what you're asking. Are you referring to the headlight bulb or the actual headlight setup? The bulb on my 06 is an H6M I believe, not sure if it's the same for pre-03 models. If you're going to convert your older style headlight to a newer style, you would have to replace the hood and headlight housing for sure. I'm really not too sure on what else is involved though.