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.
- Catalytic Converter Eliminator for the 2009-14 Yamaha R1. Fits stock mufflers and most aftermarket mufflers. Removing the catalytic converter produces more power and reduces heat under the seat. Comes with O2 bung adapter to fit stock or aftermarket O2 sensors.
- 304 Stainless Steel Tubing
