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.
- This ceramic coated black slip-on mounts to the stock catalytic converter to improve the looks of your R1.
- Q1 Quiet Insert Installed
- Stage 2 Q3 Quiet Insert Sold Separate
- Stainless Steel Ceramic Coated
- NOTE: M4 Recommends re-flashing your stock ECU to unleash the full potential of all M4 products on the 2015 Yamaha R1.
Typically ship within a few business days *Does not meet emission requirements for street or highway use.
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