FMF Racing Factory 4.1 RCT Titanium Muffler — Fits 2019-2022 Honda CRF450X

SKU: FMF041587
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About FMF Racing FMF Racing engineers high-quality automotive parts and ...Read More

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Sale price$749.99
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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

Professional Performance: FMF Factory 4.1 RCT Titanium

The FMF Factory 4.1 RCT Titanium Muffler is the pinnacle of exhaust technology for your 2019-2022 Honda CRF450X. Designed for professional racers and serious enthusiasts, this muffler utilizes Resonance Chamber Technology (RCT) to deliver maximum power while keeping noise levels in check. Crafted from premium titanium, it offers an incredible weight reduction over the stock exhaust, significantly improving the handling and flickability of your bike.

Why Choose the Factory 4.1 RCT?

  • Resonance Chamber Technology: Advanced internal design that maximizes power output while reducing sound.
  • Titanium Construction: Ultra-lightweight and incredibly strong, providing a race-ready setup that lasts.
  • Carbon Fiber End Cap: Features a durable, stylish carbon fiber end cap for reduced weight and a premium look.
  • Race-Proven Performance: Developed through years of racing experience to ensure the best possible power delivery.

When you choose the FMF Factory 4.1 RCT, you are choosing the same technology used by top-tier factory teams. The weight savings and power gains are immediate, allowing you to corner faster and accelerate harder. This muffler is the ultimate upgrade for any rider looking to optimize their Honda CRF450X for competitive use. Invest in your bike's performance and experience the quality of FMF Racing at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2019-2022 Honda CRF450X 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

Professional Performance: FMF Factory 4.1 RCT Titanium

The FMF Factory 4.1 RCT Titanium Muffler is the pinnacle of exhaust technology for your 2019-2022 Honda CRF450X. Designed for professional racers and serious enthusiasts, this muffler utilizes Resonance Chamber Technology (RCT) to deliver maximum power while keeping noise levels in check. Crafted from premium titanium, it offers an incredible weight reduction over the stock exhaust, significantly improving the handling and flickability of your bike.

Why Choose the Factory 4.1 RCT?

  • Resonance Chamber Technology: Advanced internal design that maximizes power output while reducing sound.
  • Titanium Construction: Ultra-lightweight and incredibly strong, providing a race-ready setup that lasts.
  • Carbon Fiber End Cap: Features a durable, stylish carbon fiber end cap for reduced weight and a premium look.
  • Race-Proven Performance: Developed through years of racing experience to ensure the best possible power delivery.

When you choose the FMF Factory 4.1 RCT, you are choosing the same technology used by top-tier factory teams. The weight savings and power gains are immediate, allowing you to corner faster and accelerate harder. This muffler is the ultimate upgrade for any rider looking to optimize their Honda CRF450X for competitive use. Invest in your bike's performance and experience the quality of FMF Racing at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2019-2022 Honda CRF450X 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

Professional Performance: FMF Factory 4.1 RCT Titanium

The FMF Factory 4.1 RCT Titanium Muffler is the pinnacle of exhaust technology for your 2019-2022 Honda CRF450X. Designed for professional racers and serious enthusiasts, this muffler utilizes Resonance Chamber Technology (RCT) to deliver maximum power while keeping noise levels in check. Crafted from premium titanium, it offers an incredible weight reduction over the stock exhaust, significantly improving the handling and flickability of your bike.

Why Choose the Factory 4.1 RCT?

  • Resonance Chamber Technology: Advanced internal design that maximizes power output while reducing sound.
  • Titanium Construction: Ultra-lightweight and incredibly strong, providing a race-ready setup that lasts.
  • Carbon Fiber End Cap: Features a durable, stylish carbon fiber end cap for reduced weight and a premium look.
  • Race-Proven Performance: Developed through years of racing experience to ensure the best possible power delivery.

When you choose the FMF Factory 4.1 RCT, you are choosing the same technology used by top-tier factory teams. The weight savings and power gains are immediate, allowing you to corner faster and accelerate harder. This muffler is the ultimate upgrade for any rider looking to optimize their Honda CRF450X for competitive use. Invest in your bike's performance and experience the quality of FMF Racing at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2019-2022 Honda CRF450X Base

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