Hey guys.
I install a new k&n air filter whit a Yoshimura exhaust in my XMR 2015 and it run bad !!
I want to know if i need fuel controller in my XMR
Or something else? Cause i don’t line the way it run.

Thanks for your help.

Hey guys.
I install a new k&n air filter whit a Yoshimura exhaust in my XMR 2015 and it run bad !!
I want to know if i need fuel controller in my XMR
Or something else? Cause i don’t line the way it run.

Thanks for your help.