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
Notice: Closed Course Use Only
Item ID:045558
Type: Slip-On
Configuration: Single
Const: 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:
Make Model Year
HUSABERG FE 250 13-14
HUSABERG FE 350 13-14
HUSABERG FE501 13-14
HUSQVARNA FE 250 14-16
HUSQVARNA FE 350 14-16
HUSQVARNA FE 450 15-16
KTM 250 SX-F 09-15
KTM 250 XC-F 09,11,13-15
KTM 250 XCF-W 09-16
KTM 350 SX-F 11-15
KTM 350 XC-F 11-15
KTM 350 XCF-W 12-16
KTM 400 XCW 09-10
KTM 450 EXC 09-11
KTM 450 EXCR 08
KTM 450 SMR 13
KTM 450 SX-F 07-15
KTM 450 SXF FACTORY EDITION 12-14
KTM 450 XCF 09
KTM 450 XC-F 13-15
KTM 450 XCRW 08
KTM 450 XCW 09-10
KTM 450 XC-W 12-16
