M4 Exhaust GP2 Black Slip On 2015- 2022 R1 YA9922-GP

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.