Yamaha YZ450FX 2024-2026 FMF Factory 4.1 Complete Exhaust System w/Titanium Header

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FMF Factory 4.1 Complete Exhaust System w/Titanium Header

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.

Fitment Details

Yamaha YZ450FX 2024
Yamaha YZ450FX 2025
Yamaha YZ450FX 2026

(MCL_6108562_1143)

SKU	MCL_6108562_1143
Barcode #	6108562
Brand	FMF

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