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FMF Factory 4.1 RCT Aluminium/Carbon Slip-On 250-505 SX-F from 07', Husqvarna FC/FE 250-450 from 14', Husaberg FE 250-501 13-14
FMF Factory 4.1 RCT Aluminium/Carbon Slip-On 250-505 SX-F from 07', Husqvarna FC/FE 250-450 from 14', Husaberg FE 250-501 13-14
FMF

FMF Factory 4.1 RCT Aluminium/Carbon Slip-On 250-505 SX-F from 07', Husqvarna FC/FE 250-450 from 14', Husaberg FE 250-501 13-14

Please choose a variant
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KTM
250 SX-F 09-15
350 SX-F 11-15
450 SX-F 07-15
505 SX-F 07-08

Husqvarna
FE 250 14-16
FE 350 14-16

Husaberg
FE 250 13-14
FE 350 13-14
FE 501 13-14
not available, ask for delivery date not available, ask for delivery date
KTM
250 SX-F 16-18
350 SX-F 16-18
450 SX-F 16-18

Husqvarna
FC 250 16-18
FC 350 16-18
FC 450 16-18
more than 9x available more than 9x available
KTM
250 SX-F 19-

Husqvarna
FC 250 19-
more than 9x available more than 9x available
KTM
350 SX-F 19-
450 SX-F 19-

Husqvarna
FC 350 19-
FC 450 19-
more than 9x available more than 9x available
from
459.95 €
incl. 19% Tax excl. Shipping
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.
  • 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
  • Picture shows a sample
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