Description
The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology? both internally and externally. In addition, we achieve a shorter overall length that is less susceptible to crash damage and complementary to our Factory Forward Engineering – moving the muffler closer to the motor to centralize mass. The Factory 4.1 RCT is constructed from only aerospace grade materials that meet our exacting specifications and is manufactured 100% at our Southern California factory.
– Available in Blue Anodized Titanium Muffler with Carbon End Cap
– Massive Power gains throughout the RPM range.
– Huge weight savings
– New RTS (Rapid Tuning System)
– FMF uses the highest quality proprietary blend stainless steel made especially to our standards.
Notice: Closed Course Use Only
Item ID: 044461
Type: System
Configuration: Single
Const: Titanium
Finish: Blue Anodized
Midpipe: Titanium
Endcap: Carbon
Spark Arrestor: Screen Insert (included)
Carb Warning: no
Quiet Insert: 94dB Insert (included)
Header Const: Titanium
Header Type: MegaBomb
This prodcut fits on:
Yamaha YZ250F 2019-2023
Yamaha YZ250FX 2020-2022
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