Ok, here are some comparo pics, and a before and after. For the comparo, I used a bright LED flashlight and the difference is pretty clear. The before and after pics are with 5000k HID. I didnt modify the shutters at all - I think its a pretty dumb idea to permanently cut them. I wasnt able to perfectly line the beams up but I got them dang near close (a tree fell and broke a tab on my left housing).
Anyways, for the first time in this thread.......... PICS!
Stock Lenses (with flashlight)
Retrofit Source Lenses (with flashlight)
OEM Lenses, 5000k HID at about 10ft
Retrofit Source Lens 5000k HID at about 30ft
The real life photos didnt turn out very well, but there is a noticeable difference in clarity and light output.