HID's draw less amperage/produce less heat than the stock halogens. Keep in mind, the 5-6000k bulbs are brighter/whiter than the higher rated bulbs.
Check out Tones site for one option. www.tonemonday.com
Also there are quite a few on ebay, just stay away from the el-cheapo's...they won't last.
You'll need a kit for H-4 system & mounting the ballast/igniters is pretty straight forward with a little imagination & a cordless drill/driver.![]()