Cobra Pro-Chamber Black Headpipes M8 Touring FLHX Street road Glide King 2017^Cobra Pro Chamber Black Headpipes M8 Touring FLHX Street road Glide King 2017^ Single bung w black heatshields Dual pipe styling with 2 into 1 performance New enlarged pulse chamber improves exhaust scavenging for more horsepower 2. 5" heat shields 17 19 style headpipes accept aftermarket 17 19 specific mufflers only NOTE: Mufflers not included; must be purchased separately. NOTE: Does not work with stock mufflers NOTE: Be sure to use corresponding