2Bros Parts

Factory 4.1 RCT Exhaust Silencer 20-23 GasGas Husqvarna KTM EC 250-500 - FMF 045648

$679.36

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Delivery to United States 5–8 business days

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The FMF Racing Factory 4.1 RCT Titanium Anodized Slip-On exhaust silencer with carbon cap utilizes Resonance Chamber Technology both internally and externally for superior power gains, weight savings, and improved durability. Its compact design positions the muffler closer to the motor for mass centralisation and reduced crash vulnerability. Made from proprietary aerospace-grade titanium with a blue anodised finish and a carbon end cap. Features include internal and external Resonance Chamber Technology, compact mass-centralising muffler placement, aerospace-grade titanium construction, blue anodised finish, carbon end cap, substantial power gains across the RPM range, weight savings of 5.6 lbs, Rapid Tuning System (RTS) for quick adjustments, titanium midpipe, and a removable 94dB quiet insert with a screen-type spark arrestor. For closed course use only. Item ID 045648. Type: Slip-On. Configuration: Single. Construction: Titanium. Midpipe: Titanium. Endcap: Carbon. Spark Arrestor and 94dB Quiet Insert included. Weight: 5.6 lbs.

Specifications
SKU
06-9924.FMF.FACT
Brand
FMF Exhausts
Availability
In Stock (5)

Fitments (34)

MakeModelYear
GASGASEC 250F2021
GASGASEC 350F2021
HUSQVARNAFE 2502020
HUSQVARNAFE 2502021
HUSQVARNAFE 3502020
HUSQVARNAFE 3502021
HUSQVARNAFE 3502022
HUSQVARNAFE 3502023
HUSQVARNAFE 350 ROCKSTAR EDITION2021
HUSQVARNAFE 4502020
HUSQVARNAFE 4502021
HUSQVARNAFE 4502023
HUSQVARNAFE 5012020
HUSQVARNAFE 5012021
HUSQVARNAFE 5012022
HUSQVARNAFE 5012023
KTM250 EXC-F2020
KTM250 EXC-F2021
KTM350 EXC-F2020
KTM350 EXC-F2021
KTM350 XCF-W2020
KTM350 XCF-W2021
KTM350 XCF-W2022
KTM450 EXC-F2020
KTM450 EXC-F2021
KTM450 XCF-W2020
KTM450 XCF-W2021
KTM450 XCF-W2023
KTM500 EXC-F2020
KTM500 EXC-F2021
KTM500 XCF-W2020
KTM500 XCF-W2021
KTM500 XCF-W2022
KTM500 XCF-W2023
General Product Group
Exhaust Systems & Parts
General Product Type
Silencer
Variant Id
291478
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

FMF Racing Factory 4.1 RCT Titanium Anodized Slip-On Exhaust with Carbon Cap

The FMF Racing Factory 4.1 RCT Titanium Anodized Slip-On Exhaust system is engineered for peak performance and durability. Utilizing advanced Resonance Chamber Technology™ both internally and externally, this exhaust delivers significant power gains across the entire RPM range while reducing overall weight. Its compact design promotes mass centralization by positioning the muffler closer to the motorcycle's motor, which also helps minimize vulnerability in the event of a crash. Constructed entirely from proprietary aerospace-grade titanium and finished with a distinctive blue anodized coating and a lightweight carbon fiber end cap, this system is built for demanding riders. Manufactured in Southern California, it represents a commitment to quality and innovation.

Key Features:

  • Internal and external FMF Resonance Chamber Technology™ for enhanced performance
  • Compact muffler placement for improved mass centralization and reduced crash damage
  • Aerospace-grade titanium construction with a blue anodized finish
  • Lightweight carbon fiber end cap
  • Provides substantial power gains throughout the RPM range
  • Offers significant weight savings of 5.6 lbs compared to stock systems
  • Features the RTS (Rapid Tuning System) for quick and easy adjustments
  • Includes a titanium midpipe
  • Comes with a removable 94dB quiet insert
  • Includes a screen-type spark arrestor
  • Designed for closed course use only

Specifications:

  • Type: Slip-On
  • Configuration: Single
  • Construction Material: Titanium
  • Muffler Finish: Blue Anodized
  • Midpipe Material: Titanium
  • End Cap Material: Carbon Fiber
  • Included Spark Arrestor: Yes, screen insert
  • Included Quiet Insert: Yes, 94dB
  • Weight: 5.6 lbs
Before you buy

QUESTIONS? JUST ASK

Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).

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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Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.

More answers in our FAQ.

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