FMF Racing 4.1 RCT Comp System w/ Carbon Cap — Fits Yamaha YZ250F 2019-2024, YZ250FX 2019-2024

SKU: FMF044456
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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 4.1 RCT Competition System with Carbon Cap for Yamaha YZ250F & YZ250FX

Dominate the competition with the FMF Racing 4.1 RCT Competition System, featuring a sleek carbon fiber end cap and a stainless steel Megabomb header/mid-pipe. This top-tier exhaust system is meticulously engineered for the Yamaha YZ250F (2019-2024) and YZ250FX (2019-2024), delivering maximum power gains, improved throttle response, and a race-inspired sound.

Unrivaled Performance and Design:

  • Maximum Power Gains: The 4.1 RCT system is FMF's pinnacle of performance, designed to extract the most horsepower and torque from your engine, especially when paired with the included Megabomb header/mid-pipe.
  • Advanced RCT (Resonance Chamber Technology): This technology helps to reduce sound output without sacrificing performance, offering a more refined exhaust note for a competition system.
  • Lightweight Aluminum Construction: The muffler canister is crafted from high-grade aluminum, reducing overall weight for improved handling and agility.
  • Carbon Fiber End Cap: A premium carbon fiber end cap not only reduces weight but also adds a high-performance aesthetic to your bike.
  • Stainless Steel Header/Mid-Pipe: The included SS Megabomb header and mid-pipe are designed for optimal flow and durability.
  • Precise Fitment: Engineered for a perfect fit on the specified Yamaha models, ensuring straightforward installation.

The FMF Racing 4.1 RCT Competition System is the ultimate exhaust solution for riders who demand the absolute best in performance and quality. Elevate your Yamaha's capabilities and stand out from the pack with this cutting-edge system.

Achieve peak performance. Get the FMF Racing 4.1 RCT Comp System at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2019-2021 Yamaha YZ250F Base
2019-2021 Yamaha YZ250FX 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 4.1 RCT Competition System with Carbon Cap for Yamaha YZ250F & YZ250FX

Dominate the competition with the FMF Racing 4.1 RCT Competition System, featuring a sleek carbon fiber end cap and a stainless steel Megabomb header/mid-pipe. This top-tier exhaust system is meticulously engineered for the Yamaha YZ250F (2019-2024) and YZ250FX (2019-2024), delivering maximum power gains, improved throttle response, and a race-inspired sound.

Unrivaled Performance and Design:

  • Maximum Power Gains: The 4.1 RCT system is FMF's pinnacle of performance, designed to extract the most horsepower and torque from your engine, especially when paired with the included Megabomb header/mid-pipe.
  • Advanced RCT (Resonance Chamber Technology): This technology helps to reduce sound output without sacrificing performance, offering a more refined exhaust note for a competition system.
  • Lightweight Aluminum Construction: The muffler canister is crafted from high-grade aluminum, reducing overall weight for improved handling and agility.
  • Carbon Fiber End Cap: A premium carbon fiber end cap not only reduces weight but also adds a high-performance aesthetic to your bike.
  • Stainless Steel Header/Mid-Pipe: The included SS Megabomb header and mid-pipe are designed for optimal flow and durability.
  • Precise Fitment: Engineered for a perfect fit on the specified Yamaha models, ensuring straightforward installation.

The FMF Racing 4.1 RCT Competition System is the ultimate exhaust solution for riders who demand the absolute best in performance and quality. Elevate your Yamaha's capabilities and stand out from the pack with this cutting-edge system.

Achieve peak performance. Get the FMF Racing 4.1 RCT Comp System at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2019-2021 Yamaha YZ250F Base
2019-2021 Yamaha YZ250FX 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 4.1 RCT Competition System with Carbon Cap for Yamaha YZ250F & YZ250FX

Dominate the competition with the FMF Racing 4.1 RCT Competition System, featuring a sleek carbon fiber end cap and a stainless steel Megabomb header/mid-pipe. This top-tier exhaust system is meticulously engineered for the Yamaha YZ250F (2019-2024) and YZ250FX (2019-2024), delivering maximum power gains, improved throttle response, and a race-inspired sound.

Unrivaled Performance and Design:

  • Maximum Power Gains: The 4.1 RCT system is FMF's pinnacle of performance, designed to extract the most horsepower and torque from your engine, especially when paired with the included Megabomb header/mid-pipe.
  • Advanced RCT (Resonance Chamber Technology): This technology helps to reduce sound output without sacrificing performance, offering a more refined exhaust note for a competition system.
  • Lightweight Aluminum Construction: The muffler canister is crafted from high-grade aluminum, reducing overall weight for improved handling and agility.
  • Carbon Fiber End Cap: A premium carbon fiber end cap not only reduces weight but also adds a high-performance aesthetic to your bike.
  • Stainless Steel Header/Mid-Pipe: The included SS Megabomb header and mid-pipe are designed for optimal flow and durability.
  • Precise Fitment: Engineered for a perfect fit on the specified Yamaha models, ensuring straightforward installation.

The FMF Racing 4.1 RCT Competition System is the ultimate exhaust solution for riders who demand the absolute best in performance and quality. Elevate your Yamaha's capabilities and stand out from the pack with this cutting-edge system.

Achieve peak performance. Get the FMF Racing 4.1 RCT Comp System at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2019-2021 Yamaha YZ250F Base
2019-2021 Yamaha YZ250FX Base

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