Factory 4.1 RCT Exhaust Silencer 18-26 Yamaha 450 YZ WR F FX - FMF 044488
The FMF Factory 4.1 RCT Titanium Anodized SL Slip-On Exhaust System with Carbon Cap for Yamaha 450 YZ WR F FX delivers substantial power gains and improves handling with its integrated Resonance Chamber Technology. This exhaust is constructed from aerospace-grade titanium and carbon fiber for high performance and durability, featuring a blue anodized finish and carbon endcap for reduced weight and a distinctive look. It includes internal and external Resonance Chamber Technology, a compact and crash-resistant profile, a screen-type spark arrestor, a 94dB quiet insert, and a Rapid Tuning System for quick adjustments. Designed exclusively for closed-course use, this single-configuration slip-on exhaust is made in California. Specifications include titanium construction, a blue anodized finish, titanium midpipe, carbon endcap, and a weight of 8.3 lbs (3.77 kg).
- SKU
- 06-1784.SIL.FTC
- Brand
- FMF Exhausts
- Availability
- In Stock (3)
FULL DESCRIPTION
FMF Factory 4.1 RCT Titanium Anodized SL Slip-On Exhaust System with Carbon Cap
Experience enhanced performance and handling with the FMF Factory 4.1 RCT SL Slip-On Exhaust System. This innovative exhaust system integrates FMF Resonance Chamber Technology™ and Factory Forward Engineering to deliver significant power gains while centralizing mass for improved rider control. Crafted entirely from aerospace-grade titanium and a carbon fiber endcap, it offers an exceptional balance of high performance, superior durability, and reduced weight. Precision manufactured in California, this slip-on exhaust features a striking blue anodized finish and a carbon endcap, contributing to its lightweight design and distinctive appearance.
Key Features:
- Resonance Chamber Technology: Incorporates FMF Resonance Chamber Technology™ both internally and externally for optimized exhaust flow and sound.
- Compact Design: Features a compact and crash-resistant profile with a reduced overall length for better maneuverability.
- Premium Construction: Built from aerospace-grade titanium with a blue anodized finish and a durable carbon fiber endcap, ensuring maximum strength and minimal weight.
- Included Accessories: Comes complete with a screen-type spark arrestor and a 94dB quiet insert for compliance and sound management.
- Rapid Tuning System: Equipped with the Rapid Tuning System (RTS) for quick and easy tuning adjustments.
- Closed-Course Use: Exclusively designed and intended for closed-course competition use.
Specifications:
- Type: Slip-On
- Configuration: Single exhaust
- Construction Material: Titanium
- Finish: Blue Anodised
- Midpipe Material: Titanium
- Endcap Material: Carbon Fiber
- Spark Arrestor Type: Screen Insert (Included)
- Quiet Insert: 94dB Insert (Included)
- Weight: Approximately 3.77 kg (8.3 lbs)


