NOTHING screams like a Yosh. I ride with a crew of 5 - 15 CBRs on weekends, and I've heard nearly every exhaust on every kind of CBR, and the Yoshimura's take it every time. Their low end at idle is somewhat lacking, but man, that 7k scream will make your ***** melt. I've got that $800 full kit on mine and it's amazing.

The 2-bros ones are the worst of the bunch, and everything else is somewhere in the middle.

 

sato or arata

 

what about the Jardine duel outlet?