FMF Factory 4.1 RCT Aluminum muffler KX450F '09-11

$399.95 $339.95
(You save $60.00)
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Available for pickup today in our Colorado Showroom

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 of alloy grade titanium made especially to our standards.

-Can be used with FMF or Stock OEM Header


- Kawasaki
2011 - KX450F
2010 - KX450F
2009 - KX450F