Quote Originally Posted by diagnosticator View Post
HID xenon burners for open reflector type headlights are D1R and D2R, the quartz capsule has a large area with black shielding painted onto the capsule to provide for the limitation of light above a cutoff, similar to a projector.
sooo... could we use a D1R bulb in a projector, but non-Xenon housing to get better results?