It’s hard to tell with my phone mic but there’s definitely a sound difference between the Race muffler that comes with the D16RR and the GP7 exhaust kit. I’m sure I’ll get some pushback here but I’ve ridden a handful of Desmos through the canyons and the ones with the race muffler are quite loud whereas the GP7 is a bit more deep & tame sounding. I’m a big fan of how the GP7 looks more than anything. Love the rear and lower fairing exit plus those tiny taillights. Don’t get me wrong, I’d be over