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FMF Racing Yamaha YZ450F 18-26/WR450F (2019)/ YZ450FX 19-24 Powercore 4 Hex Muffler
FMF Racing
FMF Racing

FMF Racing Yamaha YZ450F 18-26/WR450F (2019)/ YZ450FX 19-24 Powercore 4 Hex Muffler

$440.31

On Backorder — Expected to ship by Apr 5, 2026

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits Yamaha YZ450F 18-21, WR450F 19, YZ450FX 19-21. FMF Racing Powercore 4 Hex Muffler for improved horsepower and torque.

Key Features

  • Fits 2018-2021 Yamaha YZ450F, 2019 Yamaha WR450F, and 2019-2021 Yamaha YZ450FX.
  • Increases horsepower and torque throughout the entire power band.
  • Aluminum performance muffler construction for strength and light weight.
  • Durable stainless steel Hi-Flo end caps and components.
  • Removable spark arrestor is included for trail use.
  • Designed for a direct fit on late-model Yamaha off-road motorcycles.
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Fits these vehicles

  • Yamaha WR450F 2019
  • Yamaha YZ450F 2018-2021
  • Yamaha YZ450FX 2019-2021

Product Details

If you're looking to get more out of your Yamaha YZ450F, WR450F, or YZ450FX, this FMF Racing Powercore 4 Hex Muffler is designed to give you a noticeable boost in power. It's built to increase horsepower and torque across the entire range of your engine's RPMs, making that power more usable for any riding style, whether you're on the track or the trail.

This muffler is constructed with an aluminum body for a good balance of performance and strength, paired with durable stainless steel components like the Hi-Flo end caps. It's a completely redesigned unit for late-model applications, ensuring it fits right and works well. You'll also find a removable spark arrestor included, which is important for trail riding in many areas.

Specifications

Brand
FMF Racing
Manufacturer Part #
044441

Frequently Asked Questions

FMF Racing Yamaha YZ450F 18-26/WR450F (2019)/ YZ450FX 19-24 Powercore 4 Hex Muffler

$440.31