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  • FMF Racing KTM 250-450SXF 15-18 FE/XCF 16-18/ HQV FX250-450-501 16-18 F 4.1 RCT TI Anod SO w/CRBNCAP
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FMF Racing KTM 250-450SXF 15-18 FE/XCF 16-18/ HQV FX250-450-501 16-18 F 4.1 RCT TI Anod SO w/CRBNCAP
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FMF Racing KTM 250-450SXF 15-18 FE/XCF 16-18/ HQV FX250-450-501 16-18 F 4.1 RCT TI Anod SO w/CRBNCAP

FMF045586
In stock
Muffler
$649.99 $514.50
The FMF Racing F4.1 RCT TI Anodized Slip-On Muffler with Carbon Cap is designed for peak...
$514.50
customers are viewing this product
FMF Racing KTM 250-450SXF 15-18 / XCF 18-22/HQV FC/FX250-450-501 16-18/FE 17-19 PC 4 Hex Muffler
FMF Racing KTM 250-450SXF 15-18 / XCF 18-22/HQV FC/FX250-450-501 16-18/FE 17-19 PC 4 Hex Muffler
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FMF Racing HQV FC250/FC350/FC450 14-15/FE501 14-16 TI Anod Factory 4.1 RCT Muffler w/ R.Carbon Cap
FMF Racing HQV FC250/FC350/FC450 14-15/FE501 14-16 TI Anod Factory 4.1 RCT Muffler w/ R.Carbon Cap
$649.99 $514.50
FMF Racing KTM 250-450SXF 15-18 FE/XCF 16-18/ HQV FX250-450-501 16-18 F 4.1 RCT TI Anod SO w/CRBNCAP
Description

The FMF Racing F4.1 RCT TI Anodized Slip-On Muffler with Carbon Cap is designed for peak performance on KTM, FE, XCF, and Husqvarna FX models. Featuring cutting-edge titanium construction and FMF’s signature Resonance Chamber Technology (RCT), this muffler delivers improved power, reduced weight, and an aggressive sound while meeting noise regulations.

Features:

  • Constructed from lightweight titanium for exceptional durability and reduced weight.
  • RCT (Resonance Chamber Technology) improves power and reduces noise.
  • Anodized finish with a carbon fiber end cap for a sleek, race-inspired look.
  • Slip-on design for easy installation.
  • Meets noise compliance standards for track and trail use.

Specifications:

Specification Details
Compatibility KTM 250–450 SXF (2015–2018), FE/XCF (2016–2018), HQV FX250–450/501 (2016–2018)
Material Titanium with carbon fiber cap
Finish Anodized titanium
Installation Slip-on
Technology Resonance Chamber Technology (RCT)
Weight Reduction Up to 1.5 lbs compared to stock

Compatibility & Fitment:
Specifically designed for KTM 250–450 SXF (2015–2018), FE/XCF (2016–2018), and Husqvarna FX250–450/501 (2016–2018) models. Precision fitment ensures seamless integration with factory headers.

Performance Benefits & Maintenance:
Expect gains in mid-to-top-end power and improved throttle response. Clean the muffler and carbon cap periodically to maintain peak aesthetics and performance.



REVIEWS

T.H.

The performance on my 2016 FE450 has never been better! This muffler is lightweight, looks incredible, and adds noticeable power. Highly recommend for serious riders!

Tim H.

Salt Lake City, UT

A.R.

Installed on my 2018 KTM 450 SXF, and I’m thrilled! The sound is aggressive but not too loud, and the power increase is noticeable. Worth every penny!

Andrew R.

Reno, NV

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