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FMF Racing Kawasaki KX450F 09-11 Powercore 4 Hex Muffler
FMF Racing
FMF Racing

FMF Racing Kawasaki KX450F 09-11 Powercore 4 Hex Muffler

$440.31

On Backorder — Expected to ship by Apr 28, 2026

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Fits 2009-2011 Kawasaki KX450F. FMF Racing Powercore 4 Hex Muffler for improved horsepower and torque.

Key Features

  • Fits 2009-2011 Kawasaki KX450F.
  • Aluminum performance muffler construction.
  • Stainless steel Hi-Flo end caps and durable components.
  • Designed to increase horsepower and torque throughout the power band.
  • Removable spark arrestor included.
  • Completely redesigned for late model applications.
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Fits this vehicle

  • Kawasaki KX450F 2009-2011

Product Details

With this FMF Racing Powercore 4 Hex Muffler, you get an aluminum performance muffler designed to bolt right onto your 2009-2011 Kawasaki KX450F. This muffler is built to increase horsepower and torque across the entire power band, making that power more usable for any riding style. It's a complete redesign for late-model applications, offering a noticeable power increase that feels strong and responsive.

The construction uses a durable aluminum body paired with stainless steel components, including the Hi-Flo end caps. This combination strikes a good balance between performance and strength, ensuring it can handle the demands of off-road riding. A removable spark arrestor is included, which is important for trail riding and helps meet regulations.

Specifications

Brand
FMF Racing
Manufacturer Part #
042309

Frequently Asked Questions

FMF Racing Kawasaki KX450F 09-11 Powercore 4 Hex Muffler

$440.31