No Brainer: Compared to similar tail lights online, the overall fit and finish are much more OEM-like on the Morimoto version, easily making these the best set of aftermarket tail lights on the road for the Yukon! Unbeatably Bright: Brake light, turn signal, and reverse lights thanks to upgraded red, amber, and white LEDs. Backup Boost: Optional Back up Boost light bar will plug n play and boosts output in reverse by over 300%! No Compromise: Produced from the best materials, backed with a five-year warranty, and designed to comply with all standards. USA: Completely designed, engineered, tested and distributed by Morimoto, here in the USA.