Factory 4.1 RCT Exhaust Silencer 19-26 Honda CRF 125 F Big Wheel - FMF 041594
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The FMF Racing Factory 4.1 RCT Slip-On Muffler (041594) delivers massive power gains throughout the RPM range. Engineered for optimal performance on closed courses, it is built with aerospace-grade materials and FMF Resonance Chamber Technology™. This 100% American-made exhaust minimizes overall length for improved crash resistance and mass centralization. The natural aluminum muffler, paired with a robust stainless steel midpipe and endcap, offers significant weight savings without compromising durability or power. Compatible with both OEM and FMF headers, this slip-on provides versatility. It includes a screen-type spark arrestor; a quiet insert is available separately. Features include advanced FMF Resonance Chamber Technology™ for enhanced power and torque, a shorter profile for minimized crash damage and support for Factory Forward Engineering, natural aluminum muffler with carbon end cap for lightweight durability, compatibility with FMF and OEM headers, and easy installation with Rapid Tuning System (RTS). Specifications include item ID 041594, slip-on type, single configuration, aluminum muffler material, stainless steel midpipe and endcap, natural finish, screen insert spark arrestor included, and intended for closed course use only.
- SKU
- 06-9914.FACT.ALU
- Brand
- FMF Exhausts
- Availability
- In Stock (2)
Fitments (14)
| Make | Model | Year |
|---|---|---|
| HONDA | CRF 125F | 2019 |
| HONDA | CRF 125F | 2020 |
| HONDA | CRF 125F | 2021 |
| HONDA | CRF 125F | 2022 |
| HONDA | CRF 125F | 2023 |
| HONDA | CRF 125F | 2024 |
| HONDA | CRF 125F | 2025 |
| HONDA | CRF 125F | 2026 |
| HONDA | CRF 125F BIG WHEEL | 2019 |
| HONDA | CRF 125F BIG WHEEL | 2020 |
| HONDA | CRF 125F BIG WHEEL | 2021 |
| HONDA | CRF 125F BIG WHEEL | 2022 |
| HONDA | CRF 125F BIG WHEEL | 2023 |
| HONDA | CRF 125F BIG WHEEL | 2024 |
- SKU
- 06-9914.FACT.ALU
- Brand
- FMF Exhausts
- Availability
- In Stock (2)
FULL DESCRIPTION
FMF Factory 4.1 RCT Slip-On Exhaust Silencer
Experience significant power gains across the entire RPM range with the FMF Racing Factory 4.1 RCT Slip-On Muffler. Engineered for optimal performance on closed courses, this exhaust system utilizes aerospace-grade materials and FMF's innovative Resonance Chamber Technology™ for superior output. Its minimized overall length enhances crash resistance and improves mass centralization, contributing to Factory Forward Engineering principles.
This slip-on muffler features a natural aluminium construction, complemented by a robust stainless steel midpipe and endcap. This combination provides substantial weight savings without compromising durability or performance. The FMF Factory 4.1 RCT is designed for versatility, fitting seamlessly with both OEM and FMF headers.
Key Features:
- FMF Resonance Chamber Technology™: Delivers enhanced power and torque.
- Optimized Length: Shorter profile improves crash resistance and supports mass centralization.
- Lightweight Construction: Natural aluminium muffler with a carbon end cap offers exceptional durability and weight savings.
- Header Compatibility: Works with both FMF and OEM headers for flexible installation.
- Rapid Tuning System (RTS): Facilitates easy installation and tuning.
- Spark Arrestor Included: Comes with a screen-type spark arrestor for regulatory compliance. A quiet insert is available separately for noise reduction.
- Designed for Closed Course Use: This exhaust is intended solely for racing and closed course applications.
Specifications:
- Type: Slip-On Muffler
- Configuration: Single
- Muffler Material: Aluminium
- Midpipe and Endcap Material: Stainless Steel
- Finish: Natural Aluminium
- Spark Arrestor: Screen insert (included)
- Quiet Insert: Available separately
- Intended Use: Closed course only
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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
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