Product Description
M4 Performance Exhaust designs and manufactures high quality exhaust systems for all popular sport bikes. We create full systems and slip-ons that are dyno-tuned with precision for optimal performance and sound.
- Removes 13 lbs off the stock system. Will work with stock muffler or any aftermarket muffler that mounts in standard/stock position.
- All Titanium Tubing
- NOTE: M4 Recommends re-flashing your stock ECU to unleash the full potential of all M4 products on the 2015 Yamaha R1.
