FMF Racing
FMF Racing Powercore 4 Hex Slip-On Muffler — Fits 2020-2024 Beta 350/390/430/480 RR
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FMF Racing Powercore 4 Hex Slip-On Muffler — Fits 2020-2024 Beta 350/390/430/480 RR
FMF Racing

FMF Racing Powercore 4 Hex Slip-On Muffler — Fits 2020-2024 Beta 350/390/430/480 RR

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SKU: FMF045666

About FMF Racing FMF Racing engineers high-quality automotive parts and ...Read more

Price:
$404.99 $449.99
4040 ENTRIES10X
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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

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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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Maximize Power with FMF Powercore 4 Hex

The FMF Powercore 4 Hex Slip-On is the ultimate performance upgrade for your Beta 350, 390, 430, or 480 RR. Known for its legendary durability and power gains, the Powercore 4 series has been a staple in the off-road community for years. The "Hex" design offers a modern look while maintaining the high-flow characteristics that FMF is famous for, ensuring your engine breathes better and performs at its absolute peak.

Why Choose Powercore 4 Hex?

  • Enhanced Throttle Response: Improved exhaust scavenging for snappier acceleration.
  • Durable Construction: Built to withstand the toughest enduro and trail conditions.
  • Easy Installation: Specifically engineered to bolt directly onto 2020-2024 Beta RR models.
  • Optimized Flow: High-volume core design maximizes horsepower and torque.
  • Serviceable Design: Simple maintenance ensures long-term performance and sound control.

Designed for riders who demand reliability and power, this slip-on muffler provides a significant improvement over stock systems. The robust construction ensures that it holds up against debris and vibration, making it a reliable companion for long-distance trail riding or technical enduro sections. The distinct sound profile provides an aggressive, deep tone that lets everyone know you mean business. If you are looking to unlock the hidden potential of your Beta RR, the Powercore 4 Hex is the gold standard in aftermarket exhaust systems. Find all your essential off-road upgrades at GGCRACING.

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

Maximize Power with FMF Powercore 4 Hex

The FMF Powercore 4 Hex Slip-On is the ultimate performance upgrade for your Beta 350, 390, 430, or 480 RR. Known for its legendary durability and power gains, the Powercore 4 series has been a staple in the off-road community for years. The "Hex" design offers a modern look while maintaining the high-flow characteristics that FMF is famous for, ensuring your engine breathes better and performs at its absolute peak.

Why Choose Powercore 4 Hex?

  • Enhanced Throttle Response: Improved exhaust scavenging for snappier acceleration.
  • Durable Construction: Built to withstand the toughest enduro and trail conditions.
  • Easy Installation: Specifically engineered to bolt directly onto 2020-2024 Beta RR models.
  • Optimized Flow: High-volume core design maximizes horsepower and torque.
  • Serviceable Design: Simple maintenance ensures long-term performance and sound control.

Designed for riders who demand reliability and power, this slip-on muffler provides a significant improvement over stock systems. The robust construction ensures that it holds up against debris and vibration, making it a reliable companion for long-distance trail riding or technical enduro sections. The distinct sound profile provides an aggressive, deep tone that lets everyone know you mean business. If you are looking to unlock the hidden potential of your Beta RR, the Powercore 4 Hex is the gold standard in aftermarket exhaust systems. Find all your essential off-road upgrades at GGCRACING.

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