Cobra USA COB-6255DBRB Pro Chamber Right Side Tuck & Under Headers Black for Touring 17-UpDescription for Pro Chamber Right Side Tuck & Under Headers Black. Fits Touring 2017up. Exhaust head pipes must evolve along with the top end of the motorcycles engine if they are to be efficient, make power and emit less heat than a stock system. And thats what our Milwaukee Eight H D Baggers head pipes do. For the 2017up Milwaukee Eight, we modified our famous Cobra PowerPort by enlarging it to become a pulse chamber that accelerates exhaust