according to :http://powersports.honda.com/Model/2...ns/cruise.aspx

along with cruise...

New Exhaust System
Baggers have a little attitude—and the F6B sets plenty of records in that department. But for 2015 it has a little more audio attitude too, thanks to new exhaust internals that give it a throatier, meaner sound.

still keeping mine, cruise is not a big deal for me, as long as there is gocruise and throttle locks.