Yamaha R3 Exhaust Comparison Akrapovic vs. M4

So which one do you like or personally own?? Really want to say a big thanks to Rickey for coming out with his R3! Be sure to follow Rickey's YouTube and Instgram for more on his Yamaha R3 with the M4 Street Slayer Exhaust LINKS BELOW: YOUTUBE:    / @_slickrick_5009   INSTAGRAM:   / r_hanson_23   LINKS TO EXHAUSTS HERE: AKRAPOVIC: https://www.revzilla.com/motorcycle/a... M4: https://www.sportbiketrackgear.com/m4...