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FACTORY 4.1 RCT STAINLESS SL (SLIP-ON) W/ CARBON END CAP ()

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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: 041473
Type: Slip-On
Configuration: Single
Const: Aluminum
Finish: Natural
Midpipe: Stainless Steel
Endcap: Carbon
Spark Arrestor: Screen Insert (included)
Quiet Insert: 94dB Insert (included)
Weight: 5 lbs.

Item Id - Manual Description
041473 - INST SHEET HON CRF250R'11 PC-4/Q4 MFLRS (041465-68)
041474 - INST SHEET HON CRF450R'11 FACT-4.1 HEX/RCT MFLR (041444-51)
041507 - INST SHEET FACT-4.1 RCT SPIRAL RING REMOVAL
041507 - INST SHEET HON CRF450R'13 FACT-4.1 HEX/RCT MFLR (041495-96)
041525 - INST SHEET HON CRF250R'14 SINGLE HEX PC-4/Q4/FACT-4.1 RCT MFLRS(041521-28)
041525 - INST SHEET FACT-4.1 RCT SPIRAL RING REMOVAL
041529 - INST SHEET HON CRF250R'14 DUAL FACT-4.1/RCT MFLRS(041529-32)
041559 - INST SHEET HON CRF450R/RX'17 SINGLE PC-4/Q4 MFLRS (041557-58/63-64)
042290 - INST SHEET KAW KX250F'09 4.1 MFLRS
042291 - INST SHEET KAW KX450F'09 4.1 MFLRS
042292 - INST SHEET KAW KX450F'09 4.1 MFLRS
042330 - INST SHEET KAW KX450F'09 4.1 MFLRS
042357 - INST SHEET KAW KX250F'17 F4.1 RCT MFLRS
042369 - INST SHEET FACT-4.1 RCT SPIRAL RING REMOVAL
042369 - INST SHEET KAW KX450F'19 F4.1 RCT MFLRS
042374 - INST SHEET KAW KX250F'17 F4.1 RCT MFLRS
043319 - INST SHEET SUZ RMZ250'10 FACT-4.1 (043244-043251)
043320 - INST SHEET RMZ450'11 F4.1 HEX/RCT MFLR (043299-3306)
043320 - INST SHEET FACT-4.1 RCT SPIRAL RING REMOVAL
043347 - INST SHEET SUZ RMZ250'13 FACT-4.1 (043346-53)
043364 - INST SHEET RMZ450'11 F4.1 HEX/RCT MFLR (043299-3306)
043372 - INST SHEET SUZ RMZ250'19 FACT-4.1 (043372-75)
044382 - INST SHEET YAM YZ450F'07 FACTORY 4.1 (044234-39)
044406 - INST SHEET FACT-4.1 RCT SPIRAL RING REMOVAL
044406 - INST SHEET YAM YZ450F'14 FACT-4.1 RCT MFLRS (04405-12)
044427 - INST SHEET YAM YZ250F'14 FACT-4.1 RCT MFLRS (044427-31)
044427 - INST SHEET FACT-4.1 RCT SPIRAL RING REMOVAL
044443 - INST SHEET FACT-4.1 RCT SPIRAL RING REMOVAL
044443 - INST SHEET YAM YZ450F'18 PC-4/Q4/FACT-4.1 RCT MFLRS (04441-47)
044453 - INST SHEET FACT-4.1 RCT SPIRAL RING REMOVAL
044453 - INST SHEET YAM YZ250F'19 PC-4/Q4/FACT-4.1 RCT MFLRS (044451-57)
045594 - INST SHEET KTM250/450SXF'15 FE F4.1 HEX S/O MFLR
045594 - INST SHEET FACT-4.1 RCT SPIRAL RING REMOVAL
045628 - INST SHEET FACT-4.1 RCT SPIRAL RING REMOVAL
045628 - INST SHEET KTM250-450SXF'18-19 FE F4.1 RCT SLIP-ON MFLR
045632 - INST SHEET FACT-4.1 RCT SPIRAL RING REMOVAL
045632 - INST SHEET KTM250-450SXF'18-19 FE F4.1 RCT SLIP-ON MFLR
045647 - INST SHEET KTM250XCF'20 F4.1 RCT SLIP-ON MFLR
045647 - INST SHEET FACT-4.1 RCT SPIRAL RING REMOVAL
Make Model Year
HONDA CRF250R 11-13
    HON CRF250R'11-13 ANODIZED TITANIUM FACTORY 4.1 RCT SLIP-ON MFLR W/R.CARBON CAP   Item ID: 041440 - FACTORY 4.1 RCT TITANIUM ANODIZED SL (Slip-On) W/ CARBON CAP
    For: HONDA CRF250R 2011

     

    HON CRF250R'11-13 P-CORE 4 HEX MFLR   Item ID: 041487 - Powercore 4 HEX
    For: HONDA CRF250R 2011

     

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