HID vs LED vs Halogen Headlights in Projector Housings - YouTube
Projectors: HID vs Halogen; DOT vs e-Code | TDIClub Forums
Porsche Cayenne 955 CHROME LED DRL Projector Headlights Set HID or Halogen | eBay
Headlight Tech: Hid Projectors
This right here is the best argument I have for anyone thinking about just jamming LEDs in halogen housings. I did an HID projector retrofit on my '95 Ram, bottom photo is
Seeing The Truth: The Lowdown on HID Headlights – ModBargains.com's Blog