M4 Titanium Catalytic Converter Eliminator (Mid-pipe) '15-'20 Yamaha R1/R1M

Removes 13 lbs off the stock system. Will work with stock muffler or any aftermarket muffler that mounts in Standard/Stock position.

NOTE: M4 Recommends re-flashing your stock ECU to unleash the full potential of all M4 products on the 2015+ Yamaha R1.