FMF YAM YZ250F'19-23 WR250F'20 S/S ALUM FACTORY 4.1 C/E 44453

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 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

Feature:

Notice:Closed Course Use Only
Item ID:044453
Type:Slip-On
Configuration:Single
Const:Aluminum
Finish:Natural
Midpipe:Stainless Steel
Endcap:Carbon
Spark Arrestor:Screen Insert (included)
Carb Warning:no
Quiet Insert:94dB Insert (included)
Weight:7.8 lbs.

Application: