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.
Description:-
Notice: Closed Course Use Only
Item ID: 045594
Type: Slip-On
Configuration: Single
Const: Aluminum
Finish: Natural
Endcap: Carbon
Spark Arrestor: Screen Insert (included)
Carb Warning: no
Quiet Insert: 94dB Insert (included)
Weight: 4.3 lbs.
Fits on .
2017 - 19 Husqvarna FE 350
2017 - 19 Husqvarna FE 450
2017 - 19 Husqvarna FE 501
2016 - 18 Husqvarna FX 250
2016 - 18 Husqvarna FX 350
2016 - 18 Husqvarna FX 450
2016 - 18 Husqvarna FC 450
2017 - 19 KTM 250 EXC-F
2015 - 17 KTM 250 SX-F
2017 - 19 KTM 350 EXC-F
2015 - 16 KTM 350 SX-F
2017 - 19 KTM 450 EXC-F
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