Arrow 71821AKN Race-Tech Dark Aluminium Slip-On Muffler w/Carbon End Cap for Honda CB 650 F/CBR 650 F 14-18Product Descriptions Arrow's 71821AKN Street Thunder Slip on Exhaust, Aluminum Dark with Carbon End Cap is made specifically for Honda CB650F CBR650F (2014 current). Last generation of street bikes are made following a precise design and style idea, giving a fundamental importance in using the smaller exhaust systems possible, placed in some "non conventional" position. These styling and design features have an impact also on after market parts, to