- 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.
- -See Features Tab -> Fitment for header compatibility
Features
Notice: Closed Course Use Only
Item ID:045558
Type: Slip-On
Configuration: Single
Construction: Aluminum
Finish: Natural
Midpipe: Stainless Steel
Endcap: Carbon
Spark Arrestor: Screen Insert (included)
Carb Warning: no
Quiet Insert: 94dB Insert (included)
Weight: 4.4 lbs.
Applications:
Husqvarna
2016 - FE 350
2015 - FE 350
2014 - FE 350
KTM
2016 - 500 XCF-W
2016 - 350 XCF-W
2016 - 250 XCF-W
2015 - 350 XCF-W
2015 - 350 SX-F
2015 - 250 SX-F
2015 - 250 XCF-W
2015 - 450 SX-F
2015 - 450 XC-F
2014 - 350 XCF-W
2014 - 350 SX-F
2014 - 250 SX-F
2014 - 250 XCF-W
2014 - 450 SX-F
2014 - 450 XC-F
2013 - 350 XCF-W
2013 - 350 SX-F
2013 - 250 SX-F
2013 - 250 XCF-W
2013 - 450 SX-F
2013 - 450 XC-F
2012 - 450 SX-F Factory Edition
2012 - 350 SX-F
2012 - 250 SX-F
2012 - 450 SX-F
2011 - 350 SX-F
2011 - 250 SX-F
2011 - 450 SX-F
