Fits 2015-2020 Yamaha R1
M4 Performance Exhaust designs and manufactures high quality exhaust systems for all popular sport bikes. They create full systems and slip-ons that are dyno-tuned with precision for optimal performance and sound.
- X-Model Carbon Fiber Conical Canister
- All Titanium Tubing Catalytic Converter Eliminator
- The Perfect Slip-On For Performance and Sound
- Saves 15 lbs Compared to Stock
- Q7 Quiet Insert Available but Sold Separate
- Note: ECU re-flash required when removing the catalytic converter on 2015-2020 R1.