Unless you get/make a shield, you're asking for glare. The bi kits are notorious for failing. If you actually use your highs, you might wanna eb careful going HID.SolaraTRD said:
Stick to reputable sellers and get brand name ballasts and bulbs.
http://www.xenondepot.com/ is a vendor here. They're pretty well known locally for providing great products and service. I'm not affliated with them nor have I purchased from them. Strictly word on the street.