FMF Racing Powercore 4 Muffler — Fits Honda CRF450R 2005-2008

SKU: FMF041276
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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.

Watch in action

FMF Racing Powercore 4 Muffler for Honda CRF450R (2005-2008)

Unleash the full potential of your Honda CRF450R with the FMF Racing Powercore 4 Muffler. Engineered specifically for the 2005-2008 model years, this high-performance exhaust system is designed to deliver a significant increase in power and torque across the entire RPM range. Experience improved throttle response, enhanced acceleration, and a deeper, more aggressive exhaust note that commands attention.

Engineered for Peak Performance:

  • Model Fitment: Specifically designed for Honda CRF450R models from 2005 to 2008.
  • Powercore 4 Design: FMF's renowned Powercore 4 series offers a perfect balance of performance gains and durability.
  • Increased Horsepower & Torque: Experience noticeable improvements in acceleration and overall power output.
  • Aggressive Sound: Enjoy a deep, throaty exhaust note that complements the bike's performance.
  • Durable Construction: Built with high-quality materials to withstand the rigors of off-road riding.
  • Easy Installation: Designed as a direct replacement for the stock muffler, ensuring a straightforward fit.

The FMF Racing Powercore 4 Muffler is the ultimate upgrade for riders seeking to maximize their CRF450R's performance. Its advanced internal construction and optimized flow dynamics contribute to superior performance gains, while its robust build ensures longevity. Elevate your riding experience with the unmatched quality and performance that only FMF Racing can provide. Get yours today at GGCRACING!

Vehicle Fitment

Years Make Model Trim
2005-2008 Honda CRF450R 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 Muffler for Honda CRF450R (2005-2008)

Unleash the full potential of your Honda CRF450R with the FMF Racing Powercore 4 Muffler. Engineered specifically for the 2005-2008 model years, this high-performance exhaust system is designed to deliver a significant increase in power and torque across the entire RPM range. Experience improved throttle response, enhanced acceleration, and a deeper, more aggressive exhaust note that commands attention.

Engineered for Peak Performance:

  • Model Fitment: Specifically designed for Honda CRF450R models from 2005 to 2008.
  • Powercore 4 Design: FMF's renowned Powercore 4 series offers a perfect balance of performance gains and durability.
  • Increased Horsepower & Torque: Experience noticeable improvements in acceleration and overall power output.
  • Aggressive Sound: Enjoy a deep, throaty exhaust note that complements the bike's performance.
  • Durable Construction: Built with high-quality materials to withstand the rigors of off-road riding.
  • Easy Installation: Designed as a direct replacement for the stock muffler, ensuring a straightforward fit.

The FMF Racing Powercore 4 Muffler is the ultimate upgrade for riders seeking to maximize their CRF450R's performance. Its advanced internal construction and optimized flow dynamics contribute to superior performance gains, while its robust build ensures longevity. Elevate your riding experience with the unmatched quality and performance that only FMF Racing can provide. Get yours today at GGCRACING!

Vehicle Fitment

Years Make Model Trim
2005-2008 Honda CRF450R 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 Muffler for Honda CRF450R (2005-2008)

Unleash the full potential of your Honda CRF450R with the FMF Racing Powercore 4 Muffler. Engineered specifically for the 2005-2008 model years, this high-performance exhaust system is designed to deliver a significant increase in power and torque across the entire RPM range. Experience improved throttle response, enhanced acceleration, and a deeper, more aggressive exhaust note that commands attention.

Engineered for Peak Performance:

  • Model Fitment: Specifically designed for Honda CRF450R models from 2005 to 2008.
  • Powercore 4 Design: FMF's renowned Powercore 4 series offers a perfect balance of performance gains and durability.
  • Increased Horsepower & Torque: Experience noticeable improvements in acceleration and overall power output.
  • Aggressive Sound: Enjoy a deep, throaty exhaust note that complements the bike's performance.
  • Durable Construction: Built with high-quality materials to withstand the rigors of off-road riding.
  • Easy Installation: Designed as a direct replacement for the stock muffler, ensuring a straightforward fit.

The FMF Racing Powercore 4 Muffler is the ultimate upgrade for riders seeking to maximize their CRF450R's performance. Its advanced internal construction and optimized flow dynamics contribute to superior performance gains, while its robust build ensures longevity. Elevate your riding experience with the unmatched quality and performance that only FMF Racing can provide. Get yours today at GGCRACING!

Vehicle Fitment

Years Make Model Trim
2005-2008 Honda CRF450R Base

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