2011 Harley-Davidson® Street Glide® The 2011 Harley-Davidson® Street Glide® FLHX is equipped with an iconic bat wing fairing giving this custom hot rod bagger an amazing Harley® style that needs to be seen and ridden. New for 2011, the Street Glide® FLHX has a 2 -1-2 exhaust. Also new for the Street Glide® is a Power Pak factory option that includes the Twin Cam™ 103 engine, security, and ABS, giving you the option of an enhanced motorcycle touring bike.