2Bros Parts

Factory 4.1 RCT Exhaust Silencer 20-25 Beta RR 350 390 430 480 - FMF 045668

£706.07

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The FMF Factory 4.1 RCT Titanium Anodized Slip-On with Carbon Cap offers industry-leading performance and innovation through Resonance Chamber Technology and a robust, lightweight design. Developed for closed course use, this slip-on exhaust provides substantial power gains across the rev range. It features aerospace alloy-grade titanium for enhanced durability and significant weight savings. Its compact design centralizes mass by positioning the muffler closer to the motor. The Rapid Tuning System (RTS) simplifies setup. Features include a blue anodized finish, impact-resistant carbon fiber end cap, stainless steel midpipe, FMF’s proprietary alloy blend, and a weight of just 7.1 lbs. It includes a screen-type spark arrestor and a 94dB quiet insert. Manufactured in Southern California. Item ID: 045668. Type: Slip-On. Configuration: Single. Body Material: Titanium. Finish: Blue Anodised. Midpipe: Stainless Steel. End Cap: Carbon fibre. Spark Arrestor: Screen Insert (included). Quiet Insert: 94dB Insert (included). Weight: 7.1 lbs.

Specifications
SKU
06-9934.FMF.FACT
Brand
FMF Exhausts
Availability
In Stock (5)

Fitments (28)

MakeModelYear
BETA350RR2020
BETA350RR2021
BETA350RR2022
BETA350RR2023
BETA350RR2024
BETA350RR2025
BETA390RR2020
BETA390RR2021
BETA390RR2022
BETA390RR2023
BETA390RR2024
BETA390RR2025
BETA430RR2020
BETA430RR2021
BETA430RR2022
BETA430RR2023
BETA430RR2024
BETA430RR2025
BETA480RR2020
BETA480RR2021
BETA480RR2022
BETA480RR2023
BETA480RR2024
BETA480RR2025
BETARR 3502020
BETARR 3502021
BETARR 3902020
BETARR 3902021
General Product Group
Exhaust Systems & Parts
General Product Type
Silencer
Variant Id
295572
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

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

Experience unparalleled performance with the FMF Factory 4.1 RCT Titanium Anodized Slip-On Exhaust. This advanced system utilizes Resonance Chamber Technology™ for a significant power boost across the entire RPM range. Crafted from aerospace-grade titanium and featuring a robust carbon fiber end cap, it offers exceptional durability and a substantial weight reduction, weighing in at only 7.1 lbs.

The Factory Forward Engineering design shortens the muffler, moving it closer to the motor to improve mass centralization for better handling. The included Rapid Tuning System (RTS) allows for simplified adjustments, making it ideal for serious off-road riders seeking a competitive edge. This slip-on exhaust is designed and manufactured in Southern California.

Key Features:

  • Engineered for closed course use to maximize performance output.
  • Single slip-on configuration designed to enhance both power and torque.
  • Constructed from high-strength, aerospace-grade titanium with a striking blue anodized finish.
  • Features a durable and impact-resistant carbon fiber end cap.
  • Includes a stainless steel midpipe for extended longevity.
  • Utilizes FMF’s proprietary alloy blend for optimal strength and minimal weight.
  • Factory Forward Engineering centralizes mass by shortening the overall muffler length.
  • Achieves a significant weight reduction, weighing only 7.1 lbs.
  • Comes complete with a screen-type spark arrestor and a 94dB quiet insert.
  • Equipped with the Rapid Tuning System (RTS) for easy and efficient adjustments.

Specifications:

  • Exhaust Type: Slip-On
  • Configuration: Single
  • Body Material: Titanium
  • Body Finish: Blue Anodized
  • Midpipe Material: Stainless Steel
  • End Cap Material: Carbon Fiber
  • Included Spark Arrestor: Screen Insert
  • Included Quiet Insert: 94dB
  • Approximate Weight: 7.1 lbs
Before you buy

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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.

UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details

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