2012 Yamaha FZ6R with Two Brothers Racing black series exhaust install and dyno run...
Two Brothers Racing - 2012 Yamaha FZ6R Full Race System - YouTube
Two Brothers Racing - 2012 Yamaha FZ6R Full Race System - YouTube
2012 Yamaha FZ6R with Two Brothers Racing black series exhaust install and dyno run...
Two Brothers Racing - 2012 Yamaha FZ6R Full Race System - YouTube
I am sure glad I have that exhaust! Mine sounds like that but I do not have a fuel controller. I really want to invest in one if that improvement comes from just those two modifications. Anyone question the legitimacy? I don't know enough to say.