Compatible with 1971-1973 Ford® Mustang®. This product is not created or sold by Ford®.; Drake Automotive Group has teamed up with an industry leader in LED sequential taillight systems to offer LED taillights specific to your car. With patented Smart-signal technology and exclusive "Batwing" design, these kits offer easy hassle-free installation with no splicing required! These LEDs are up to 5 times brighter than stock lights but run cooler and use less energy than traditional bulbs, so they won't melt your lenses. Each kit works with stock lenses and housings, so there is nothing extra to buy. Lifetime warranty! Please note: sequencing speed is not adjustable.;.