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FMF Factory 4.1 Exhaust System '23 KTM 450 XCF-W & '20-23 Husqvarna FE450 | 045654

FMF SKU: 79-40688
Regular price



Controlled Emission Part Form Required for shipment to California. If shipping to CA, contact our team for the CA waiver.

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 of alloy grade titanium made especially to our standards.


Make Model Year
HUSQVARNA FE450 20-21,23
KTM 450 XCF-W 23