The classic true dual style may never go out of style as they are still favored over many riders till this day versus a 2-into-1-into-2 style header pipe. Bassani has done one hell of a job with their design as the headers step from 1-3/4" to 1-7/8" that create a distinctive stereo sound. True-Dual Stepped Crossover System Equal length stepped (1-3/4" to 1-7/8") head pipes 18mm wide band ports with plugs B1 style muffler (exclusive to this system) with black end cap with contrasting flutes Full coverage heat shields included Produces distinctive sound