Free-flow design equals solid hp gains. Hidden crossover provides performance benefits of a 2-into-1 system. Full heat shields on both front and rear header pipes. Stainless steel header construction. Race inspired Grand National end caps. Oxygen sensor ports allow use of wide band or stock O2 sensors. Removable dB reducers included. Made in the U.S.A. Fits 06-17 Dyna Models With Mid Control Except Dyna Switchback.