Engineered from the ground up using the highest quality automotive LEDs and modern light pipe design. Premium line of aftermarket LED taillights now provides increased side visibility to maximize safety. Five light pipes illuminate across the taillight as the constant on running light, while 25 separate LEDs provide a full contrast brake light.. Low-Profile design protrudes only two inches from the stock taillight baseplate for a sleek custom look on the rear fender. Replacement gasket and nylon washers included for easy installation. Simple plug and play installation. '22-'24 Low Rider ST (FXLRST) and '22 Low Rider El Diablo (FXRST) require wiring adapter part # 2130-0352 for installation (sold separately).. '20-'22 Tri Glide Ultra CVO (FLHTCUTGSE) requires qty 2 wiring adapter part # 2050-0417 for installation (sold separately)..