Originally Posted by Mulder
Sure you can do that, but he was asking about swapping housings so my answer was directed as a response to his question. What you have is OEM bulbs and ballasts in the H7 halogen housings, not the same thing.
Yes you answered his original question, and I offered another cheaper alternative to changing entire headlights with similar results. I know my projectors aren't the same as the STi ones however.