Agreed^ for stock headlights that are not retrofitted you should use LED. Easier and it is still very bright. If you are looking for HID still then I highly recommend Xenon depot. They aren't the cheapest but I've had mine for a couple years now with zero issues. Don't buy the cheap China ones. They will blow out within months. I've had a bunch of HID kits. Save your money and do it right the first time. The HID kit i got from Xenon Depot ran around 100 bucks. They are having cyber monday deals today if you want to cop some lol They have a more expensive OEM grade setup if you want too its a little more $$$
Yes, please don't place HIDs in your stock halogen housings. You'll blind oncoming traffic and actually have less light output available for you to use. Either get a projector retrofit or an LED bulb upgrade.