M4 Performance Exhaust GP Slip-On System Black Ceramic Muffler compatible with 2017-19 Honda CBR1000RR HO8922-GP

Loud

Love this thing.....sounds mean, and yes, it's loud.....don't use the baffle that it comes with, sounds awful ....pop that retaining clip out, take baffle out, and you'll feel like you have the meanest cbr in the country