The iconic touring machines for the open road. Live the American dream with a European soundtrack. Smooth performance enhanced with Akrapovic power. Akrapovič Open Systems includes header, silencer and heatshield, optional noise reduction insert is available. For perfect performance, throttle response and durability special developed mapping from our partner Dynojet has to be used.  Model  Year  EC Type approval   FLHR Road King  2006 - 2011    FLHRC Road King Classic  2006 - 2011    FLHRS Road King Custom  2006 - 2007    FLHT Electra Glide Standard  2006 - 2009    FLHTC Electra Glide Classic  2006 - 2011    FLHTCU Ultra Classic Electra Glide  2006 - 2011    FLHTK Electra Glide Ultra Limited  2010 - 2011    FLHX Street Glide  2006 - 2011    FLTR Road Glide  2006 - 2009    FLTRU Road Glide Ultra  2011    FLTRX Road Glide Custom  2010 - 2011