Plug-and-play LED replacements for halogen headlight bulbs are a popular car mod. LEDs often look brighter than incandescent lights, but “looks brighter” and “illuminates better” are not ...

If LED lights are your preference, it's worth understanding the concerns about possible fire hazards and also how the safety of LED compares to Halogen.

As with xenon lights, several companies offer kits to convert halogen systems to LEDs, though these kits often include only one LED bulb that fits into the original socket.