FMF Racing Powercore 4 Muffler — Fits Yamaha YZ250F 2003-2005, WR250F 2003-2006

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SKU: FMF044220
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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 Muffler for Yamaha YZ250F & WR250F

Unleash the full potential of your Yamaha YZ250F (2003-2005) and WR250F (2003-2006) with the FMF Racing Powercore 4 Muffler. This race-inspired exhaust system is engineered to deliver maximum power output, making it a top choice for serious off-road enthusiasts. Its construction combines a high-performance extruded aluminum canister with robust stainless steel components, ensuring both durability and exceptional performance.

Performance and Design:

  • Maximum Power: Specifically tuned to enhance power delivery across the entire rev range, providing a noticeable boost in acceleration and top-end speed.
  • Aircraft-Grade Aluminum: The canister is crafted from high-quality extruded aluminum, offering a lightweight yet strong design that can withstand demanding riding conditions.
  • Stainless Steel Components: Features stainless steel end caps and mid-pipe for superior corrosion resistance and long-lasting durability.
  • Easy Installation: Designed as a direct replacement for the stock muffler, ensuring a hassle-free fitment on your Yamaha YZ250F or WR250F.

The Powercore 4 muffler is built for riders who demand peak performance without compromising on quality or reliability. Its efficient design helps reduce weight while improving exhaust flow, contributing to a more responsive and powerful machine. Whether you're competing or simply enjoying the trails, this FMF Racing muffler will significantly enhance your riding experience. Upgrade your Yamaha's exhaust system with this premium component for a competitive advantage.

Experience the difference of a high-performance exhaust. Choose the FMF Racing Powercore 4 Muffler for your Yamaha. Find it and other top-tier parts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2003-2006 Yamaha WR250F Base
2003-2005 Yamaha YZ250F 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 Yamaha YZ250F & WR250F

Unleash the full potential of your Yamaha YZ250F (2003-2005) and WR250F (2003-2006) with the FMF Racing Powercore 4 Muffler. This race-inspired exhaust system is engineered to deliver maximum power output, making it a top choice for serious off-road enthusiasts. Its construction combines a high-performance extruded aluminum canister with robust stainless steel components, ensuring both durability and exceptional performance.

Performance and Design:

  • Maximum Power: Specifically tuned to enhance power delivery across the entire rev range, providing a noticeable boost in acceleration and top-end speed.
  • Aircraft-Grade Aluminum: The canister is crafted from high-quality extruded aluminum, offering a lightweight yet strong design that can withstand demanding riding conditions.
  • Stainless Steel Components: Features stainless steel end caps and mid-pipe for superior corrosion resistance and long-lasting durability.
  • Easy Installation: Designed as a direct replacement for the stock muffler, ensuring a hassle-free fitment on your Yamaha YZ250F or WR250F.

The Powercore 4 muffler is built for riders who demand peak performance without compromising on quality or reliability. Its efficient design helps reduce weight while improving exhaust flow, contributing to a more responsive and powerful machine. Whether you're competing or simply enjoying the trails, this FMF Racing muffler will significantly enhance your riding experience. Upgrade your Yamaha's exhaust system with this premium component for a competitive advantage.

Experience the difference of a high-performance exhaust. Choose the FMF Racing Powercore 4 Muffler for your Yamaha. Find it and other top-tier parts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2003-2006 Yamaha WR250F Base
2003-2005 Yamaha YZ250F 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 Yamaha YZ250F & WR250F

Unleash the full potential of your Yamaha YZ250F (2003-2005) and WR250F (2003-2006) with the FMF Racing Powercore 4 Muffler. This race-inspired exhaust system is engineered to deliver maximum power output, making it a top choice for serious off-road enthusiasts. Its construction combines a high-performance extruded aluminum canister with robust stainless steel components, ensuring both durability and exceptional performance.

Performance and Design:

  • Maximum Power: Specifically tuned to enhance power delivery across the entire rev range, providing a noticeable boost in acceleration and top-end speed.
  • Aircraft-Grade Aluminum: The canister is crafted from high-quality extruded aluminum, offering a lightweight yet strong design that can withstand demanding riding conditions.
  • Stainless Steel Components: Features stainless steel end caps and mid-pipe for superior corrosion resistance and long-lasting durability.
  • Easy Installation: Designed as a direct replacement for the stock muffler, ensuring a hassle-free fitment on your Yamaha YZ250F or WR250F.

The Powercore 4 muffler is built for riders who demand peak performance without compromising on quality or reliability. Its efficient design helps reduce weight while improving exhaust flow, contributing to a more responsive and powerful machine. Whether you're competing or simply enjoying the trails, this FMF Racing muffler will significantly enhance your riding experience. Upgrade your Yamaha's exhaust system with this premium component for a competitive advantage.

Experience the difference of a high-performance exhaust. Choose the FMF Racing Powercore 4 Muffler for your Yamaha. Find it and other top-tier parts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2003-2006 Yamaha WR250F Base
2003-2005 Yamaha YZ250F Base

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