Hi, I have a 2016 RC390 with the following mods made last year. Current ODO = 2,250mi
Yoshimura CF RS-9 exhaust / K&N Air Filter / MMNTBX Air box mod. / PC V with map from Chad (Commonweatlh) who also flashed ECU with "Akra"
MPG is down this year to about 55 I don't feel any real power...