anyone runnin the Yoshimura RS-7 Exhaust

[Quadrider63]

just wondering hows it workin out for u and what size main jet ur using

thanks matt

[Quadrider63]

wow this pipe blows my tc out of the water man the yoshi is great

now can anyone help me with jetting i would Appreciate it
oh and it keeps backfireing about 6-8inchs is this going to mess any thing up
thanks