If your car came from the factory with halogen or HID bulbs, you’re going to need to replace them or upgrade them down the line. Both of these bulb types lose light output over time; thus, even if ...

LED headlights throw extremely intense light with very little draw on your car's electrical system. Now that they're trickling down to the aftermarket, you can buy a simple plug-in "LED retrofit kit" ...

How to Measure LED Headlight Brightness Brightness is measured in lumens, an essential factor when picking a replacement bulb. Too bright, and you risk dazzling oncoming traffic; not bright enough, ...