You're not imagining it. The headlights behind you on Arizona roads really are brighter than they used to be. More car manufacturers are using LED bulbs, which produce from 3,600 to 4,500 lumens ...
The aftermarket and the products in this list are designed to be retrofit kits for vehicles with halogen headlights. Acura, Audi, BMW, Cadillac, Chevrolet, Chrysler, Dodge, Ford, GMC, Honda ...