DDM tuning is so 2011, I'm amazed that company even exists anymore. They used to be the king of the poverty beam market back in the day but they got totally BTFO when TRS took over the scene with real retrofits.
If you don't want to use second hand OEM ballasts your best bet is to stick with the Morimoto stuff.
If you don't want to use second hand OEM ballasts your best bet is to stick with the Morimoto stuff.