Originally Posted by B-rentt
In the little research I have done others have changed their headlight housings to STI housings. You are saying that you got great results without doing this thought, right?
The main reason people are switching to STI housings is to get the HID projector. I took apart the WRX headlight and replaced the stock halogen projector with a HID projector.
You can do it either way. Putting an eBay HID kit in your halogen projectors is what you want to stay away from. Putting those in halogen reflector housings is even worse...