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Muffler, Slip-on FMF Powercore 4

XR650L '93 - '25
Made in USA WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

The Powercore 4 spark arrestor muffler. FMF developed the Powercore 4 to increase the horsepower and torque throughout the entire power curve. Highest quality packing for long life. Removable spark arrestor included. Louder than the Q4. Approximately 99db stock or about 94db with optional Quiet Insert installed.

  • Uses long-life muffler packing for increased packing life
  • Forest Service approved spark arrester
EPA race use only
Backordered: Waiting for stock from suppliers to fulfill orders placed on or after June 2021
$399.95