2Bros Parts

Factory 4.1 RCT Exhaust Silencer 20-23 KTM Husqvarna GasGas 350-501 - FMF 045647

$574.93Only 1 left

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Delivery to United States 5–8 business days

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The FMF Racing Factory 4.1 RCT Stainless Slip-On with Carbon End Cap delivers impressive performance gains across the entire RPM range, thanks to advanced Resonance Chamber Technology and Factory Forward Engineering. Designed for reduced crash damage and optimal mass centralisation, this premium exhaust is crafted exclusively from aerospace-grade materials and carefully manufactured in Southern California. Its lightweight, compact design offers significant weight savings and improved ride dynamics, making it ideal for serious off-road enthusiasts. Features include: exceptional power increase throughout the RPM range, weight reduction improves handling and ride response, RTS Rapid Tuning System for quick adjustments, aluminium muffler with carbon end cap, stainless steel midpipe, aerospace-grade material quality, shorter overall length for less crash susceptibility, includes 94dB quiet insert and spark arrestor screen insert. Manufactured in the USA. Specifications: Item ID 045647, Slip-On type, Single configuration, Aluminium muffler, stainless steel midpipe, carbon end cap construction, Natural finish, Screen insert spark arrestor included, 94dB insert quiet insert included. Weight 5.9 lbs.

Specifications
SKU
06-9924.FMF.FAC
Brand
FMF Exhausts
Availability
In Stock (1)

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
291477
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

FMF Factory 4.1 RCT Exhaust Silencer with Carbon End Cap

Experience a significant performance upgrade with the FMF Racing Factory 4.1 RCT Stainless Slip-On Exhaust. This silencer is engineered to deliver enhanced power across the entire RPM range, utilizing advanced Resonance Chamber Technology™ and Factory Forward Engineering for optimal results.

Designed with both performance and durability in mind, this exhaust system features a compact and lightweight construction to improve mass centralization and ride dynamics. Crafted from aerospace-grade materials and manufactured in Southern California, it offers exceptional strength and resilience, while its shorter overall length reduces susceptibility to crash damage.

Key Features:

  • Notice: Closed Course Use Only
  • Substantial power increase across the entire RPM range
  • Reduced weight for improved handling and quicker response
  • Features RTS (Rapid Tuning System) for swift adjustments
  • Muffler constructed from natural aluminum with a distinct carbon fiber end cap
  • Midpipe is made from high-quality stainless steel
  • Built with aerospace-grade materials for superior strength and longevity
  • Compact design minimizes potential crash damage
  • Includes a 94dB quiet insert and a removable spark arrestor screen insert
  • Proudly manufactured in the USA

Specifications:

  • Type: Slip-On
  • Configuration: Single exhaust
  • Construction Materials: Aluminum muffler, stainless steel midpipe, carbon fiber end cap
  • Finish: Natural aluminum
  • Included Accessories: Spark arrestor screen insert and 94dB quiet insert
  • Weight: 5.9 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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