If they were not bitching i'd never do it. Man i dont get it. I have CF Scorpions. They are loud as hell, but i can come back home at night running 3000rpm and it is quiet that nobody hears it

. Besides the silencers take the rumble away at low RPM's

My KTM450 is really loud really but i can come back thumping silently - not much louder than a car.