Now 19% Off $37 $30 at Amazon CAR ROVER H4 9003 HB2 LED Bulb, CAR ROVER 50W 10000Lumens Extremely Bright 6000K CSP Chips High Low Beam Conversion Kit, Halogen Replacement $31 at Amazon ...

Headlight technology has come a long way since the heyday of the sealed beam, and upgrades are plentiful, but which is best?

Replacing your vehicle's halogen bulbs with cheap LED headlights you found on sale may sound like a good idea, but you probably should avoid it.