1. Motorcycle Silencers, Mufflers & Baffles For Sale
  2. sku: 14926359363320782
  3. FMF RACING K2FUXI831Z

FMF RACING K2FUXI831Z Rct Muffler Exhaust Cf End Cap Slip 4.1

fits model: Yz450f. make: Yamaha. year: 1925–2018.

K2fuxi831z Fmf Racing 4.1 Rct Slip On Muffler Exhaust Ti Cf End Cap For Yamaha Yz450f 18-25

( Brand: Fmf Racing ), ( Manufacturer Part Number: K2FUXI831Z ), ( Mounting Style: Slip-on ), ( Secondary Material: Carbon Fiber ), ( Machine Type: Off-road Motorcycle ), ( Color: Blue ), ( Material: Titanium ), ( Item Length: 42.990 ), ( Vintage Part: No ), ( Placement On Vehicle: Exhaust ), ( End Cap Color: Black Carbon Fiber ), ( California Prop 65 Warning: Warning, And Birth Defects Or Other Reproductive Harm. ), ( Type: Tail Pipe Muffler/ Slip On ), ( Package Quantity: Each ), ( Surface Finish: Anodized ), ( End Cap Style: Slash Cut ), ( Exhaust Type: Slip On ), ( Item Weight: 8.3776 ), ( Performance Part: Yes )

Review FMF RACING 4.1 Rct Slip On Muffler Exhaust Ti Cf End Cap Yamaha fits YZ450F 1925–2018

FMF Racing K2FUXI831Z 4.1 RCT Slip-On Muffler Exhaust CF End Cap for Yamaha YZ450F (18-25)

Experience an unparalleled performance upgrade for your Yamaha YZ450F (2018-2025) with the FMF Racing K2FUXI831Z 4.1 RCT Slip-On Muffler Exhaust CF End Cap. This high-performance exhaust system component, meticulously crafted by FMF Racing, is designed to enhance the power, agility, and overall riding experience of your Yamaha YZ450F.

The FMF Racing K2FUXI831Z is a 4.1 RCT Slip-On Muffler Exhaust, featuring a carbon fiber (CF) end cap that adds an aesthetically pleasing and durable touch to your motorcycle's exterior. The RCT (Radius Compound Taper) design ensures optimal power delivery and a thrilling exhaust note.

This exhaust system component is engineered to seamlessly integrate with your Yamaha YZ450F, maintaining the bike's factory-like fit and finish. The slip-on design allows for easy installation, making it a perfect choice for both amateur and professional riders who demand the best from their machines.

The FMF Racing K2FUXI831Z 4.1 RCT Slip-On Muffler Exhaust CF End Cap is designed to work in harmony with your bike's stock or aftermarket airbox, allowing for a wide range of compatibility. This exhaust system component is more than just a cosmetic addition; it delivers a significant improvement in power and performance, making every ride an exhilarating experience.

Upgrade your Yamaha YZ450F with the FMF Racing K2FUXI831Z 4.1 RCT Slip-On Muffler Exhaust CF End Cap and experience the difference in power, sound, and style that FMF Racing is known for. Transform your bike into a true racing machine, ready to conquer any trail or track.

Pros and Cons of Buying FMF Racing K2FUXI831Z 4.1 RCT Slip Muffler Exhaust CF End Cap for Yamaha YZ450F (18-25)

Pros:

1. Performance Enhancement: The FMF Racing K2FUXI831Z exhaust is designed to improve the performance of your Yamaha YZ450F. It offers better power delivery and throttle response.

2. Lightweight: Made of high-quality carbon fiber, this exhaust system is lightweight, which can help improve the bike's overall handling and acceleration.

3. Durability: FMF Racing products are known for their durability, and this exhaust system is no exception. It is designed to withstand the rigors of off-road racing.

4. Aesthetics: The carbon fiber finish gives the bike a sleek, modern look that many riders appreciate.

Cons:

1. Expensive: Compared to stock exhaust systems, the FMF Racing K2FUXI831Z is more expensive. This might be a deterrent for some riders.

2. Noise Level: This exhaust system can produce a loud noise, which might not be suitable for all riding environments.

3. Installation: Some users have reported that installation can be difficult and may require professional assistance.

Conclusion:

The FMF Racing K2FUXI831Z 4.1 RCT Slip Muffler Exhaust CF End Cap offers significant performance benefits for your Yamaha YZ450F, but it comes at a higher price point. If you are looking to improve the performance of your bike and are willing to pay for it, this exhaust system could be a good investment. However, if you are on a tight budget or concerned about the noise level, you might want to consider other options.

Recommendation:

If you are serious about off-road racing and want to improve the performance of your Yamaha YZ450F, the FMF Racing K2FUXI831Z could be a worthwhile investment. However, if you are a casual rider or concerned about the noise level, you might want to consider less expensive options or look for quieter alternatives. Always ensure that any aftermarket parts you install comply with local noise regulations.

Details:

Used 4.1 has small dent on bottom of can. Could easily be tapped out.

part #: k2fuxi831z price

  • $859.86

specifications cyclemufflermo:

  • for models: Yz450f
  • for makes: Yamaha
  • for years: 1925-2018
  • brand: Fmf Racing
  • mpn: K2fuxi831z
  • mounting style: Slip-on
  • secondary material: Carbon Fiber
  • machine type: Off-road Motorcycle
  • color: Blue
  • material: Titanium
  • item length: 42.990
  • vintage part: No
  • placement on vehicle: Exhaust
  • end cap color: Black Carbon Fiber
  • california prop 65 warning: Warning, And Birth Defects Or Other Reproductive Harm.
  • type: Tail Pipe Muffler/ Slip On
  • package quantity: Each
  • surface finish: Anodized
  • end cap style: Slash Cut
  • exhaust type: Slip On
  • item weight: 8.3776
  • performance part: Yes

payments cyclemufflermo:

  • wallet: Google-pay
  • other
  • credit card: Discover

seller cyclemufflermo:

  • city: Gladwin, Michigan
  • # reviews: 1532
  • rating: 100.0%

general cyclemufflermo:

  • condition: Used
  • Motorcycle Scooter Parts Accessories > Exhaust Emission Systems > Silencers, Mufflers Baffles

offer cyclemufflermo:

  • started: December 20, 2025
  • options: Ship-to-home
  • quantity: 1
  • availability: In Stock
  • sold: 0
  • best offers: True

returns cyclemufflermo:

  • policy: No Returns

shipping cyclemufflermo:

  • type: Calculated
  • cost: $0.00
  • transit: 6-11 Days
  • carrier: UPS
  • service: UPS Ground
  • class: Standard
for models: yz450f, for makes: yamaha, for years: 1925-2018, mounting style: slip-on, secondary material: carbon fiber, machine type: off-road motorcycle, item length: 42.990, vintage part: no, placement on vehicle: exhaust, end cap color: black carbon fiber, california prop 65 warning: warning, and birth defects or other reproductive harm., type: tail pipe muffler/ slip on, package quantity: each, surface finish: anodized, end cap style: slash cut, exhaust type: slip on, item weight: 8.3776, performance part: yes,
category: motorcycle parts > motorcycle scooter parts accessories > exhaust emission systems > silencers, mufflers baffles, color: blue, material: titanium, sku: 14926359363320782,
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