SC PROJECT SC1-S Carbon EXHAUST FULL SYSTEM 4-1 FOR HONDA CBR650 (2021-2022) The SC1-S muffler is a modern, compact sc-project-sc1-s…a-cbr650-2021-22/ design derived from the iconic SC1. Its sleek carbon fiber construction with a Twill end cap adds a touch of sportiness to your motorcycle. The metallic exit section is designed to integrate seamlessly with the carbon end cap, enhancing the overall sporty appearance of your CBR650R.