CUSTOM INDIAN DARK HORSE CHIEFTAIN WITH A GREAT OPTIONS LIST. CUSTOM BARS, EXHAUST, INTAKE, SEAT AND HWY BARS ALL ADDED ON AND WITH ONLY 2700 KM THIS BIKE IS LIKE NEW. 2017 Indian Motorcycles® Chieftain Dark Horse® Thunder Black Smoke TELL DARKER TALES. The latest addition to the Dark Horse® family, this badass bagger is powered by the legendary Thunder Stroke® 111 V-Twin. But what really sets this bike apart are its exclusive features, like a blacked-out fairing, front forks and, of course, that unmistakable Dark Horse® fuel tank. It all adds up to a presence that refuses to be ignored. Be legendary.