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.
- Stainless Steel Headers and Mid-Pipe
- Titanium RM1 Canister with Carbon Fiber End Cap
- The Ultimate in Performance
- Q7 Quiet Insert Available but Sold Separate
- Note: ECU re-flash required when removing the catalytic converter on 2015-2020 R1.