END OF LINE Factory 4.1 RCT Exhaust Silencer 12-15 Kawasaki KX 450 F - FMF 042284
4.1 Trustpilot 99.9% positive on eBay
Delivery to United States 5–8 business days
Spread the cost with 
END OF LINE Factory 4.1 RCT Exhaust Silencer. Incorporating Resonance Chamber Technology. Patented core shape lowers sound level while maintaining maximum power output. Patented canister shape increases internal volume for more sound absorbing material. Patented chamber design to enhance and refine exhaust pressure. Factory Forward Engineering centralizes mass and is less prone to crash damage. Tuned exhaust with optimized core specifications for each application. Comes with the quality craftsmanship and performance expected from FMF. Meets AMA and FIM sound requirements. Spark arrestor included in muffler. Built 100% in the U.S.A. Maintenance made easy with the removal of 4 screws on the front end cap. Part No. 042284.
- SKU
- 06-1758.FMF.FTN
- Brand
- FMF Exhausts
- Availability
- In Stock (2)
Fitments (4)
| Make | Model | Year |
|---|---|---|
| KAWASAKI | KX 450F | 2012 |
| KAWASAKI | KX 450F | 2013 |
| KAWASAKI | KX 450F | 2014 |
| KAWASAKI | KX 450F | 2015 |
- General Product Group
- Exhaust Systems & Parts
- General Product Type
- Silencer
- Variant Id
- 209331
FULL DESCRIPTION
FMF Factory 4.1 RCT Exhaust Silencer
Experience the pinnacle of exhaust performance with the FMF Factory 4.1 RCT Exhaust Silencer. Engineered for maximum power output and reduced sound levels, this silencer is built with FMF's renowned quality and craftsmanship.
Key Features:
- Resonance Chamber Technology: Incorporates advanced technology for improved exhaust flow and sound management.
- Patented Core Shape: Designed to lower sound levels without compromising peak power performance.
- Patented Canister Shape: Increases internal volume, allowing for more sound-absorbing material to be utilized.
- Patented Chamber Design: Refines exhaust pressure for a smoother and more powerful delivery.
- Factory Forward Engineering: Centralizes mass, reducing susceptibility to crash damage and improving bike dynamics.
- Tuned Exhaust: Optimized core specifications for each specific application ensure peak performance.
- Meets Sound Requirements: Complies with AMA and FIM sound regulations.
- Spark Arrestor Included: Integrated spark arrestor for safe off-road operation.
- Premium Construction: Built 100% in the USA at FMF's state-of-the-art factory.
- Easy Maintenance: Features a removable front end cap secured by four screws for straightforward maintenance.
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
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
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.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.