16 gauge 1-3/4ö primaries 2.5ö collector 18mm and 12mm O2 bungs, flexible tuning Fits directly under factory heat shields Mounts with factory hardware and crossover Significantly reduced heat footprint Spherical port caps to insure proper sealing Increased performance potential Superior sound Easy installation Made in the U.S.A. Includes gasket seals, O2 bung plugs and crush washers Fits with OEM or ôslip-onö OEM replacement mufflers for 2017+ touring models. HEADPIPE OEM REPL 17-FL
