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.
- All Black Catalytic Converter Eliminator with the Black GP2 Canister is a sweet look for the new R1. This set up saves 12 lbs over stock and greatly improves performance.
- Stainless Steel Ceramic Coated
- Q1 Quiet Insert Installed
- Stage 2 Q3 Quiet Insert Sold Separate
- NOTE: M4 Recommends re-flashing your stock ECU to unleash the full potential of all M4 products on the 2015 Yamaha R1.
