215 HP Yamaha R1M akrapovic exhaust spitting flames on the dyno

https://www.youtube.com/attribution_link?a=KTqc4EzCzqU&u=%2Fwatch%3Fv%3DZN1VUDrNUio%26feature%3Dshare via /r/Trackdays https://www.reddit.com/r/Trackdays/comments/bj39vv/215_hp_yamaha_r1m_akrapovic_exhaust_spitting/?utm_source=ifttt