It's important to note that LED headlights are distinct from halogen ones. LEDs have a few advantages over halogens. They're brighter but consume less power, don't heat up as much, and take up less space. However, XenonPro explains, you can't simply replace a halogen bulb with an LED assembly.
Can you install LED headlights in any car?
Your LEDs can be installed on any car, regardless of its age and condition, so everyone can benefit from more efficient lighting. The second option is to take your kit to a local mechanic for installation, or alternatively to a friend or family member with more technical skills than you.
Are aftermarket LED headlights illegal?
Aftermarket LED replacement bulbs are illegal, but there's little enforcement at the federal level. "There are currently no LED headlamp replaceable bulbs that meet federal safety standards.
How are LED headlights legal?
It's a safe bet that if your headlights are rated as “DOT approved” then yes they are legal to use. If the LED headlights you are looking at do not advertise that they are certified or approved by the DOT then chances are they are not truly legal to use on the road.
Can I legally change my headlights to LED?
Yes, LED replacements are available via the aftermarket. The reflector and lens of American vehicles' headlights are designed to work with those halogens, which is why using an LED replacement bulb is both illegal and typically results in crappier lighting than the OEM units.