M4 BLACK GP2 SLIP-ON

  • Sale
  • $289.00
  • Regular price $322.00


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.