Originally Posted by mydlo
I guess the H1 projector is shorter than the D2S projector and they weren't sure if the D2S would completely fit without trimming the reflector.
Ok, if it's shorter, then the H1 is definitely the one to get. H1 seems to be at the limit to fit inside the housing. Once you start trimming the reflector, you've got a whole different project- you'd need to make your own system for mounting the light in the housing.