they should be okay. I've been running the 9005 conversion for well over a year, no problems. I'm using GE Cool Blues, which are at 65w.

only problems I could see with them is that they may not last very long and they may be too white. If you have yellow driving lights, you should be okay. Too white for rain/snow. You may not be able to see. That's why it is best to have yellow driving lights with HIDs. I haven't really heard of KOBA, so I can't comment on them as for durability.