All Black Stainless catalytic converter eliminator removes 11 lbs off stock. Will work with stock muffler or any aftermarket muffler that mounts in standard/stock position.
- Stainless Steel Tubing Ceramic Coated
NOTE: M4 Recommends re-flashing your stock ECU to unleash the full potential of all M4 products on the 2015 Yamaha R1.