STICKERS
PACKING
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 Natural Aluminum with Carbon Fiber 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: 044456
Type: System
Configuration: Single
Const: Aluminum
Finish: Natural
Midpipe: Stainless Steel
Endcap: Carbon
Spark Arrestor: Screen Insert (included)
Carb Warning: no
Quiet Insert: 94dB Insert (included)
Header Const: Stainless Steel
Header Type: MegaBomb
Weight: 13.6 lbs.
| Make | Model | Year |
|---|---|---|
| YAMAHA | WR250F | 23-24 |
| YAMAHA | YZ250F | 19-25 |
| YAMAHA | YZ250FX | 20-25 |
For: YAMAHA YZ250F 2019
For: YAMAHA YZ250F 2019
For: YAMAHA YZ250F 2019
For: YAMAHA YZ250F 2019
For: YAMAHA YZ250F 2019