2Bros Parts

END OF LINE FACTORY 4.1 RCT EXHAUST SILENCER 17-20 HONDA CRF 450 R RX RWE - FMF 041559

$452.18

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Delivery to United States 5–8 business days

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The FMF Factory 4.1 RCT incorporates Resonance Chamber Technology both internally and externally. It features a shorter overall length that is less susceptible to crash damage and utilizes Factory Forward Engineering, moving the muffler closer to the motor to centralize mass. Constructed from aerospace-grade materials to exacting specifications and manufactured in Southern California. This is a slip-on, single configuration exhaust. Construction materials include aluminum, stainless steel midpipe, and a carbon endcap. Includes a screen insert spark arrestor and a 94 dB quiet insert. For closed course use only. Use with FMF header #041555 only. Item ID 041559.

Specifications
SKU
06-1981.FMF.FAC
Brand
FMF Exhausts
Availability
In Stock (3)

Fitments (9)

MakeModelYear
HONDACRF 450R2017
HONDACRF 450R2018
HONDACRF 450R2019
HONDACRF 450R2020
HONDACRF 450RX2017
HONDACRF 450RX2018
HONDACRF 450RX2019
HONDACRF 450RX2020
HONDACRF RWE 4502019
General Product Group
Exhaust Systems & Parts
General Product Type
Silencer
Variant Id
209590
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

FMF Factory 4.1 RCT Exhaust Silencer

The FMF Factory 4.1 RCT exhaust silencer incorporates the latest advancements in FMF Resonance Chamber Technology™ both internally and externally. Its design features a shorter overall length, making it less susceptible to damage from impacts. This silencer also utilizes FMF's Factory Forward Engineering, positioning the muffler closer to the motor for improved mass centralization.

Constructed using only aerospace-grade materials that meet exacting specifications, this silencer is manufactured entirely at the FMF Southern California factory.

Key Features

  • Resonance Chamber Technology™ for enhanced performance
  • Reduced overall length to minimize crash damage risk
  • Factory Forward Engineering for optimized mass centralization
  • Built with aerospace-grade materials to precise standards
  • Proudly manufactured in Southern California
  • Designed for closed course use only
  • Requires FMF header #041555 for proper fitment

Specifications

  • Type: Slip-On
  • Configuration: Single
  • Construction Material: Aluminum
  • Finish: Natural
  • Midpipe Material: Stainless Steel
  • Endcap Material: Carbon
  • Spark Arrestor: Includes screen insert
  • Quiet Insert: Includes 94 dB insert
  • CARB Compliant: No
Before you buy

QUESTIONS? JUST ASK

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Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.

Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details

Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy

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