Interesting. I haven't dug too deep into their output, but if they're anything like the Morimoto Mini's, the matchbox is going to have an intense foreground.

Just off the top of my head, retrofitting the matchbox into the pre-facelift fogs isn't going to be a straight open and swap as im sure you're already aware of. The factory projectors have 2 screw mounting points on the bottom, but use a pressure-fit pivot point on the top to enable their vertical adjustment. It'll take some doing, but looks do-able.

I have pics floating around that detail the inside workings of the projector fogs (some are posted in the projector foglight thread)... they may/not aid you in deciding what route to take but probably worth a look if you plan to take the housings apart!

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