FMF Racing Powercore 4 Hex Muffler — Fits Yamaha YZ450F WR450F YZ450FX

SKU: FMF044404
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Sale price$399.99
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About FMF Racing

FMF Racing engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full FMF Racing lineup with fast shipping and expert fitment support — order with confidence.

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FMF Racing Powercore 4 Hex Muffler for Yamaha Off-Road Bikes

Elevate your riding experience with the FMF Racing Powercore 4 Hex Muffler, engineered for peak performance on your Yamaha YZ450F (2014-2017), YZ450FX (2016-2018), and WR450F (2016-2018). This premium muffler is designed to deliver a noticeable boost in power and torque across the entire RPM range, ensuring you have the responsiveness you need for any terrain.

Key Features and Benefits:

  • Enhanced Performance: The Powercore 4 Hex design optimizes exhaust flow, leading to increased horsepower and improved throttle response.
  • Durable Construction: Built with high-quality materials to withstand the rigors of off-road riding, ensuring longevity and consistent performance.
  • Aggressive Sound: Produces a deep, throaty exhaust note that complements the aggressive nature of your Yamaha dirt bike.
  • Direct Fit: Designed as a direct replacement for your stock muffler, ensuring a hassle-free installation process.
  • Improved Aesthetics: The distinctive hex shape and FMF branding add a race-inspired look to your motorcycle.

Whether you're hitting the track or trail, the FMF Racing Powercore 4 Hex Muffler provides the perfect blend of performance, durability, and sound. Experience the FMF difference and unlock your Yamaha's full potential. Get yours today at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2016-2018 Yamaha WR450F Base
2014-2017 Yamaha YZ450F Base
2016-2018 Yamaha YZ450FX Base

Product Details

Product Description
Part Numbers
Sizing & Fit

About FMF Racing

FMF Racing engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full FMF Racing lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

FMF Racing Powercore 4 Hex Muffler for Yamaha Off-Road Bikes

Elevate your riding experience with the FMF Racing Powercore 4 Hex Muffler, engineered for peak performance on your Yamaha YZ450F (2014-2017), YZ450FX (2016-2018), and WR450F (2016-2018). This premium muffler is designed to deliver a noticeable boost in power and torque across the entire RPM range, ensuring you have the responsiveness you need for any terrain.

Key Features and Benefits:

  • Enhanced Performance: The Powercore 4 Hex design optimizes exhaust flow, leading to increased horsepower and improved throttle response.
  • Durable Construction: Built with high-quality materials to withstand the rigors of off-road riding, ensuring longevity and consistent performance.
  • Aggressive Sound: Produces a deep, throaty exhaust note that complements the aggressive nature of your Yamaha dirt bike.
  • Direct Fit: Designed as a direct replacement for your stock muffler, ensuring a hassle-free installation process.
  • Improved Aesthetics: The distinctive hex shape and FMF branding add a race-inspired look to your motorcycle.

Whether you're hitting the track or trail, the FMF Racing Powercore 4 Hex Muffler provides the perfect blend of performance, durability, and sound. Experience the FMF difference and unlock your Yamaha's full potential. Get yours today at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2016-2018 Yamaha WR450F Base
2014-2017 Yamaha YZ450F Base
2016-2018 Yamaha YZ450FX Base

Product Details

Product Description

About FMF Racing

FMF Racing engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full FMF Racing lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

FMF Racing Powercore 4 Hex Muffler for Yamaha Off-Road Bikes

Elevate your riding experience with the FMF Racing Powercore 4 Hex Muffler, engineered for peak performance on your Yamaha YZ450F (2014-2017), YZ450FX (2016-2018), and WR450F (2016-2018). This premium muffler is designed to deliver a noticeable boost in power and torque across the entire RPM range, ensuring you have the responsiveness you need for any terrain.

Key Features and Benefits:

  • Enhanced Performance: The Powercore 4 Hex design optimizes exhaust flow, leading to increased horsepower and improved throttle response.
  • Durable Construction: Built with high-quality materials to withstand the rigors of off-road riding, ensuring longevity and consistent performance.
  • Aggressive Sound: Produces a deep, throaty exhaust note that complements the aggressive nature of your Yamaha dirt bike.
  • Direct Fit: Designed as a direct replacement for your stock muffler, ensuring a hassle-free installation process.
  • Improved Aesthetics: The distinctive hex shape and FMF branding add a race-inspired look to your motorcycle.

Whether you're hitting the track or trail, the FMF Racing Powercore 4 Hex Muffler provides the perfect blend of performance, durability, and sound. Experience the FMF difference and unlock your Yamaha's full potential. Get yours today at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2016-2018 Yamaha WR450F Base
2014-2017 Yamaha YZ450F Base
2016-2018 Yamaha YZ450FX Base

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