FMF PowerCore 4 HEX Slip-On Exhaust

Cycle News Staff | February 8, 2026

FMF Racing has an all-new slip-on, the PowerCore 4 HEX (P/N 041624), to fit 2019–25 CRF250F and 2026 CRF300F Honda models.

FMF PowerCore 4 HEX Slip-On Exhaust installed

With a race-inspired design, the slip-on is constructed with an aluminum canister and a stainless-steel mid-pipe. It saves 1.5 pounds over stock and provides an overall increase in both horsepower and torque. Made in the USA, the built-in Hi-Flo core technology optimizes exhaust flow, and it comes with specialized internal packing material that lasts longer than standard packing material. A removable spark arrester is included.

MSRP for the PowerCore 4 HEX slip-on is listed at $399.99.

FMF PowerCore 4 HEX Slip-On Exhaust

Here is the press release from FMF Racing…

ALL-NEW HONDA CRF250F / CRF300F FMF PowerCore 4 HEX Slip-On Exhaust

Part #041624 | MSRP $399.99
Race-Inspired Performance. Trail-Ready Value.

When designing the PowerCore 4 HEX, FMF looked to its top-of-the-line race exhaust systems to deliver race-inspired performance at an economical price. The result is a rugged, lightweight muffler with improved torque, increased horsepower, and a 1.5 lb weight savings over stock.

FMF PowerCore 4 HEX Slip-On

Performance & Features

  • Overall increase in horsepower and torque
  • 1.5 lb weight savings vs. stock exhaust
  • Durable stainless steel and aluminum construction
  • Space-age internal packing material for maximum longevity
  • Hi-Flo core technology improves exhaust flow
  • Enhanced sonic evacuation for higher flow and increased power
  • Includes removable spark arrestor
FMF PowerCore 4 HEX Slip-On Exhaust Specs

FMF is also offering a Titanium 2.1 Spark Arrestor for the first time for the KTM Group brands as well as Beta models.

FMF Titanium 2.1 Spark Arrestor

It has the same great benefits as the standard TurbineCore 2.1, but is now offered in anodized blue titanium. Price is listed at $479.99.

For more information, visit www.fmfracing.com

 

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