END OF LINE Factory 4.1 RCT Exhaust Silencer 17-18 Kawasaki KX 250 F - FMF 042349
4.1 Trustpilot 99.9% positive on eBay
Delivery to United States 5–8 business days
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The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology both internally and externally. It features a shorter overall length that is less susceptible to crash damage and is designed with Factory Forward Engineering, moving the muffler closer to the motor to centralize mass. The Factory 4.1 RCT is constructed from aerospace grade materials and manufactured in Southern California. Available in Natural Titanium Muffler with Titanium End Cap, it provides massive power gains throughout the RPM range and significant weight savings. Features include the new RTS (Rapid Tuning System). FMF uses a proprietary blend of alloy grade titanium made to their standards. Can be used with FMF or Stock OEM Header.
- SKU
- 06-1782.FMF.FTN
- Brand
- FMF Exhausts
- Availability
- In Stock (1)
Fitments (4)
| Make | Model | Year |
|---|---|---|
| KAWASAKI | KX 250F | 2017 |
| KAWASAKI | KX 250F | 2018 |
| KAWASAKI | KX 250F | 2019 |
| KAWASAKI | KX 250F | 2020 |
- General Product Group
- Exhaust Systems & Parts
- General Product Type
- Silencer
- Variant Id
- 209400
FULL DESCRIPTION
FMF Factory 4.1 RCT Exhaust Silencer
Experience a significant upgrade in performance with the FMF Factory 4.1 RCT Exhaust Silencer. This silencer is engineered with FMF's advanced Resonance Chamber Technology, integrated both internally and externally, to optimize exhaust flow and sound. Its design features a shorter overall length, making it more resistant to damage from impacts and better suited for centralized mass when used with FMF's Factory Forward Engineering. Constructed entirely from aerospace-grade materials, this silencer is proudly manufactured in Southern California to FMF's strict quality standards.
Key Features:
- Incorporates the latest FMF Resonance Chamber Technology (internal and external).
- Shorter overall length reduces susceptibility to crash damage.
- Designed to centralize mass, moving the muffler closer to the motor.
- Constructed from aerospace-grade titanium for superior durability and performance.
- Available in Natural Titanium Muffler with Titanium End Cap.
- Provides massive power gains across the entire RPM range.
- Offers significant weight savings compared to stock components.
- Features the new RTS (Rapid Tuning System).
- Utilizes a proprietary blend of high-quality alloy grade titanium.
- Compatible for use with FMF or stock OEM headers.
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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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.
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