projectors

Hi there! This is my first post and am new to the Genesis, so bear with me. I just picked up a 2012 4.6 sedan off auction the other day. One of the pieces I need to replace is the right headlight. I found a halogen headlight on ebay and was wondering if I can (or even have to) swap the halogen...

I have 2011 Genesis sedan with the stock light setup. I just bought the HID ballast and the actual HID bulbs for my Gen. My question is this can I use the projectors that are in the car already or do I need to buy HID projectors. If you look at the HALOGEN VS HID PROJECTOR they look identical...