• FMF Powercore 4 Yamaha - 044263
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FMF Racing

FMF Powercore 4 Yamaha - 044263

FMF Powercore 4 Yamaha - 044263

$359.99 USD
$399.99 USD $359.99 USD
Sale Sold out
📦 Special Order — ships in 2–3 weeks
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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