• FMF Powercore 4 Yamaha - 044224
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FMF Racing

FMF Powercore 4 Yamaha - 044224

FMF Powercore 4 Yamaha - 044224

$359.99 USD
$399.99 USD $359.99 USD
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Shipping calculated at checkout.
Want to be sure it fits?Parts can vary by year, make, and model. If you already know it fits, go ahead and order with confidence — no call required. If you’d like a hand, feel free to reach out and our techs will gladly confirm fitment for you. Email ride@jkloffroad.com, call or text 385-506-5883.

We developed the PowerCore4 to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is useable and compatible with every style of riding. Aluminum construction and stainless steel Hi-Flo endcaps make for the perfect balance of performance and strength.


  • Aluminum performance muffler with durable stainless steel components
  • Completely redesigned for all late model applications
  • Removable spark arrestor included

⚠ WARNING: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.p65warnings.ca.gov.

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