• FMF 4.1 RCT S/S Muffler w/Carbon Cap
  • FACTORY 4.1 RCT TITANIUM SL (Slip-On)
  • FMF 4.1 RCT S/S CRF Dual Slip On with Carbon Caps
  • W/ CARBON END CAP
1 4

FMF 4 Stroke Factory 4.1 RCT - Slip On

FMF 4 Stroke Factory 4.1 RCT - Slip On

$999.98 NZD
$999.98 NZD
Sale Sold out

FACTORY 4.1 RCT:
Incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally. In addition, FMF achieve a shorter overall length that is less susceptible to crash damage and complementary to their Factory Forward Engineering: moving the muffler closer to the motor to centralize mass. The Factory 4.1 RCT silencer is constructed only from aerospace-grade materials that meet FMF's exacting specifications and is manufactured 100% at their Southern California factory.

  • Massive Power gains throughout the RPM range
  • Huge weight savings
  • Rapid Tuning System (RTS)
  • FMF uses the highest quality proprietary blend of alloy grade titanium made specifically to their standards
  • Can be used with FMF or stock OEM header pipe/s

 

We recommend all motorcycle parts are fitted and tested by qualified professionals.
If you are unsure about the part choice for your bike, please contact us before purchase.

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Variant Variant total Quantity Price Variant total
FMF 4.1 RCT S/S Muffler w/Carbon Cap
*4.1 S/S Single CRF450R 17-20 Slip on w/carbon Cap FMFFMF-041559
*4.1 S/S Single CRF450R 17-20 Slip on w/carbon Cap FMFFMF-041559
$999.98/ea		 $0.00
$999.98/ea $0.00
FACTORY 4.1 RCT TITANIUM ANODIZED SL (SLIP-ON) W/ CARBON CAP
*4.1 Ti Single CRF450R 17-20 Slip on w/carbon Cap FMFFMF-041560
*4.1 Ti Single CRF450R 17-20 Slip on w/carbon Cap FMFFMF-041560
$1,199.98/ea		 $0.00
$1,199.98/ea $0.00
DUAL TITANIUM ANODIZED FACTORY 4.1 RCT SLIP-ON WITH CARBON CAP
*4.1 Dual Ti CRF450R 2019-20 w Carb/Cap Slip On Mufflers FMFFMF-041575
*4.1 Dual Ti CRF450R 2019-20 w Carb/Cap Slip On Mufflers FMFFMF-041575
$2,099.00/ea		 $0.00
$2,099.00/ea $0.00
Mini 4.1 SS RCT CRF110 19-23
I Mini 4.1 S/S RCT CRF110 19-23 Slip On Muffler FMFFMF-041592
I Mini 4.1 S/S RCT CRF110 19-23 Slip On Muffler FMFFMF-041592
$549.95/ea		 $0.00
Sold out
$549.95/ea $0.00
Mini 4.1 SS RCT CRF110 19-23
I Mini 4.1 S/S CRF125 19-25 Slip On Muffler FMFFMF-041594
I Mini 4.1 S/S CRF125 19-25 Slip On Muffler FMFFMF-041594
$549.95/ea		 $0.00
Sold out
$549.95/ea $0.00
FACTORY 4.1 RCT STAINLESS SL (SLIP-ON) W/ CARBON END CAP
4.1 RCT S/S CRF450R 2021-25/RX 2021-24 Slip On W/R Carbon cap FMFFMF-041602
4.1 RCT S/S CRF450R 2021-25/RX 2021-24 Slip On W/R Carbon cap FMFFMF-041602
$1,399.00/ea		 $0.00
Sold out
$1,399.00/ea $0.00
FACTORY 4.1 RCT TITANIUM ANODIZED SL (Slip-On) W/ CARBON CAP
I 4.1 RCT Ti CRF450R 2021-25/RX 2021-24 Slip On W/R Carbon cap FMFFMF-041603
I 4.1 RCT Ti CRF450R 2021-25/RX 2021-24 Slip On W/R Carbon cap FMFFMF-041603
$1,624.95/ea		 $0.00
Sold out
$1,624.95/ea $0.00
FMF Factory 4.1 Muffler RCT Aluminium Carbon
4.1 S/S Alum CRF250R/X 2022-25 slip on w/carb end cap FMFFMF-041610
4.1 S/S Alum CRF250R/X 2022-25 slip on w/carb end cap FMFFMF-041610
$1,399.00/ea		 $0.00
Sold out
$1,399.00/ea $0.00
FACTORY 4.1 RCT TITANIUM ANODIZED SL (Slip-On) W/ CARBON CAP
I 4.1 Ti CRF250R/X 2022-25 slip on w/carb end cap FMFFMF-041611
I 4.1 Ti CRF250R/X 2022-25 slip on w/carb end cap FMFFMF-041611
$1,899.95/ea		 $0.00
Sold out
$1,899.95/ea $0.00
FMF 4.1 RCT Ti Slip On Muffler w/Carbon Cap
4.1 RCT Ti KX250F 09-16 w C/Cap Anodized Slip on Muffler FMFFMF-042259
4.1 RCT Ti KX250F 09-16 w C/Cap Anodized Slip on Muffler FMFFMF-042259
$1,359.00/ea		 $0.00
Sold out
$1,359.00/ea $0.00
FMF 4.1 RCT S/S Muffler w/Carbon Cap
4.1 RCT S/S KX450F 12-15 w/Carb cap Slip On Muffler FMFFMF-042292
4.1 RCT S/S KX450F 12-15 w/Carb cap Slip On Muffler FMFFMF-042292
$1,149.95/ea		 $0.00
Sold out
$1,149.95/ea $0.00
FACTORY 4.1 RCT STAINLESS SL (SLIP-ON) W/ CARBON END CAP
4.1 RCT S/S KX450F 19-23 450X Muffler w/Carb cap FMFFMF-042369
4.1 RCT S/S KX450F 19-23 450X Muffler w/Carb cap FMFFMF-042369
$1,359.00/ea		 $0.00
$1,359.00/ea $0.00
FACTORY 4.1 RCT TITANIUM ANODIZED SL (Slip-On) W/ CARBON CAP
I 4.1 RCT Ti KX450F 19-23 Muffler w/Carb Cap FMFFMF-042371
I 4.1 RCT Ti KX450F 19-23 Muffler w/Carb Cap FMFFMF-042371
$1,425.00/ea		 $0.00
Sold out
$1,425.00/ea $0.00
FACTORY 4.1 RCT STAINLESS SL (SLIP-ON) W/ CARBON END CAP
4.1 RCT S/S KX250F 17-20 Muffler w/Carb Cap FMFFMF-042374
4.1 RCT S/S KX250F 17-20 Muffler w/Carb Cap FMFFMF-042374
$1,199.00/ea		 $0.00
$1,199.00/ea $0.00
FACTORY 4.1 RCT STAINLESS SL (SLIP-ON) W/ CARBON END CAP
4.1 RCT S/S KX250F/X 2021-23 Muffler w/Carb Cap FMFFMF-042394
4.1 RCT S/S KX250F/X 2021-23 Muffler w/Carb Cap FMFFMF-042394
$1,239.00/ea		 $0.00
Sold out
$1,239.00/ea $0.00
FACTORY 4.1 RCT TITANIUM ANODIZED SL (Slip-On) W/ CARBON CAP
I 4.1 RCT Ti KX250F/X 2021-24 System w/M Bomb Header FMFFMF-042396
I 4.1 RCT Ti KX250F/X 2021-24 System w/M Bomb Header FMFFMF-042396
$1,425.00/ea		 $0.00
Sold out
$1,425.00/ea $0.00
FACTORY 4.1 RCT STAINLESS SL (SLIP-ON) W/ CARBON END CAP 042403
4.1 RCT S/S KX450F 2024 450X Muffler w/Carb cap FMFFMF-042403
4.1 RCT S/S KX450F 2024 450X Muffler w/Carb cap FMFFMF-042403
$1,425.00/ea		 $0.00
$1,425.00/ea $0.00
FACTORY 4.1 RCT TITANIUM ANODIZED SL (SLIP-ON) W/ CARBON CAP 042404
4.1 RCT Ti KX450F 2024 Muffler w/Carb Cap FMFFMF-042404
4.1 RCT Ti KX450F 2024 Muffler w/Carb Cap FMFFMF-042404
$1,899.00/ea		 $0.00
Sold out
$1,899.00/ea $0.00
STAINLESS STEEL ALUM. FACT-4.1 RCT W/R.CARBON CAP FULL SYSTEM 042405
4.1 RCT S/S KX450F 2024 System w/M Bomb Header FMFFMF-042405
4.1 RCT S/S KX450F 2024 System w/M Bomb Header FMFFMF-042405
$2,199.00/ea		 $0.00
Sold out
$2,199.00/ea $0.00
FACTORY 4.1 RCT TITANIUM ANODIZED FULL SYSTEM W/ CARBON END CAP 042406
4.1 RCT Ti KX450F 2024 System w/M Bomb Header FMFFMF-042406
4.1 RCT Ti KX450F 2024 System w/M Bomb Header FMFFMF-042406
$2,799.00/ea		 $0.00
Sold out
$2,799.00/ea $0.00
FMF 4.1 RCT S/S Muffler w/Carbon Cap
*4.1 RCT S/S RMZ450 11-17 W/Carb Cap Slip On Muffler FMFFMF-043320
*4.1 RCT S/S RMZ450 11-17 W/Carb Cap Slip On Muffler FMFFMF-043320
$1,249.00/ea		 $0.00
$1,249.00/ea $0.00
FACTORY 4.1 RCT STAINLESS SL (SLIP-ON) W/ CARBON END CAP
4.1 RCT S/S RMZ450 2018-24 W/R C-CAP Slip On Muffler FMFFMF-043364
4.1 RCT S/S RMZ450 2018-24 W/R C-CAP Slip On Muffler FMFFMF-043364
$1,259.00/ea		 $0.00
$1,259.00/ea $0.00
FACTORY 4.1 RCT TITANIUM ANODIZED SL (Slip-On) W/ CARBON CAP
I 4.1 RCT Ti RMZ450 2018-24 W/R C-CAP Slip On Muffler FMFFMF-043365
I 4.1 RCT Ti RMZ450 2018-24 W/R C-CAP Slip On Muffler FMFFMF-043365
$1,425.00/ea		 $0.00
Sold out
$1,425.00/ea $0.00
FMF 4.1 RCT S/S Muffler w/Carbon Cap
4.1 RCT S/S RMZ250 2019-23 W/R C-CAP Slip On FMFFMF-043372
4.1 RCT S/S RMZ250 2019-23 W/R C-CAP Slip On FMFFMF-043372
$1,299.00/ea		 $0.00
$1,299.00/ea $0.00
FACTORY 4.1 RCT TITANIUM ANODIZED SL (Slip-On) W/ CARBON CAP
I 4.1 RCT Ti Slip On RMZ250 2019-23 w/Carbon Cap FMFFMF-043373
I 4.1 RCT Ti Slip On RMZ250 2019-23 w/Carbon Cap FMFFMF-043373
$1,425.00/ea		 $0.00
Sold out
$1,425.00/ea $0.00
FMF 4.1 RCT S/S Muffler w/Carbon Cap
4.1 RCT S/S YZ450F 14-17 450FX 16 Slip on W/Carb Cap FMFFMF-044406
4.1 RCT S/S YZ450F 14-17 450FX 16 Slip on W/Carb Cap FMFFMF-044406
$1,099.95/ea		 $0.00
Sold out
$1,099.95/ea $0.00
FMF 4.1 RCT S/S Muffler w/Carbon Cap
4.1 RCT S/S YZ250F 14-18 w/carb end cap Slip On FMFFMF-044427
4.1 RCT S/S YZ250F 14-18 w/carb end cap Slip On FMFFMF-044427
$1,099.95/ea		 $0.00
Sold out
$1,099.95/ea $0.00
FACTORY 4.1 RCT STAINLESS SL (SLIP-ON) W/ CARBON END CAP
4.1 RCT S/S YZ450F 2018-24 w/carb end cap Slip On FMFFMF-044443
4.1 RCT S/S YZ450F 2018-24 w/carb end cap Slip On FMFFMF-044443
$1,399.00/ea		 $0.00
$1,399.00/ea $0.00
FACTORY 4.1 RCT TITANIUM ANODIZED SL (Slip-On) W/ CARBON CAP
I 4.1 RCT Ti YZ450F 2018-2024 Anod Slip On w/carbon cap FMFFMF-044445
I 4.1 RCT Ti YZ450F 2018-2024 Anod Slip On w/carbon cap FMFFMF-044445
$1,699.00/ea		 $0.00
Sold out
$1,699.00/ea $0.00
FACTORY 4.1 RCT STAINLESS FULL SYSTEM W_CARBON END CAP
4.1 RCT S/S YZ250F 2019-24 w/carb end cap Slip On FMFFMF-044453
4.1 RCT S/S YZ250F 2019-24 w/carb end cap Slip On FMFFMF-044453
$1,359.00/ea		 $0.00
Sold out
$1,359.00/ea $0.00
FMF Factory 4.1 Muffler RCT Aluminium Carbon
I 4.1 RCT WR450F 2020 w/carb end cap Slip On FMFFMF-044464
I 4.1 RCT WR450F 2020 w/carb end cap Slip On FMFFMF-044464
$1,259.00/ea		 $0.00
Sold out
$1,259.00/ea $0.00
FACTORY 4.1 RCT TITANIUM ANODIZED SL (Slip-On) W/ CARBON CAP
I 4.1 RCT Ti Blue WR450F 2020 w/carb end cap Slip On FMFFMF-044466
I 4.1 RCT Ti Blue WR450F 2020 w/carb end cap Slip On FMFFMF-044466
$1,475.00/ea		 $0.00
Sold out
$1,475.00/ea $0.00
FACTORY 4.1 RCT STAINLESS SL (SLIP-ON) W/ CARBON END CAP 044473
4.1 RCT S/S WR250F 2020-21 w/carb end cap FMFFMF-044473
4.1 RCT S/S WR250F 2020-21 w/carb end cap FMFFMF-044473
$1,259.00/ea		 $0.00
$1,259.00/ea $0.00
FMF 4.1 RCT Ti Slip On Muffler w/Carbon Cap
I 4.1 RCT Ti Blue WR250F 20-21 w/carb end cap Slip On FMFFMF-044474
I 4.1 RCT Ti Blue WR250F 20-21 w/carb end cap Slip On FMFFMF-044474
$1,475.00/ea		 $0.00
Sold out
$1,475.00/ea $0.00
FMF 4.1 RCT S/S Muffler w/Carbon Cap
4.1 RCT 350EXC-F 12-16 500EXC Slip On Muffler FMFFMF-045472
4.1 RCT 350EXC-F 12-16 500EXC Slip On Muffler FMFFMF-045472
$949.00/ea		 $0.00
$949.00/ea $0.00
FMF 4.1 RCT S/S Muffler w/Carbon Cap
4.1 RCT KTM450XC-F 13-15 S/S w/Carb Cap Slip On FMFFMF-045558
4.1 RCT KTM450XC-F 13-15 S/S w/Carb Cap Slip On FMFFMF-045558
$1,099.95/ea		 $0.00
Sold out
$1,099.95/ea $0.00
FMF 4.1 RCT Ti Slip On Muffler w/Carbon Cap
4.1 RCT FE250/350 14-16 Carb SX-F/XC-F 07-15 Blue Anodized FMFFMF-045561
4.1 RCT FE250/350 14-16 Carb SX-F/XC-F 07-15 Blue Anodized FMFFMF-045561
$1,259.00/ea		 $0.00
Sold out
$1,259.00/ea $0.00
FMF 4.1 RCT S/S Muffler w/Carbon Cap
*4.1 RCT S/S FC250 2014-15 w/carbon cap Slip On Muffler FMFFMF-045567
*4.1 RCT S/S FC250 2014-15 w/carbon cap Slip On Muffler FMFFMF-045567
$895.00/ea		 $0.00
$895.00/ea $0.00
FMF 4.1 RCT Ti Slip On Muffler w/Carbon Cap
I 4.1 RCT KTM250/450SXF 15-18 Ti Slip On w/Carb End Cap FMFFMF-045586
I 4.1 RCT KTM250/450SXF 15-18 Ti Slip On w/Carb End Cap FMFFMF-045586
$1,199.00/ea		 $0.00
Sold out
$1,199.00/ea $0.00
FMF 4.1 RCT S/S Muffler w/Carbon Cap
4.1 RCT KTM250/450 15-18 S/S w/Carb Cap Slip On FMFFMF-045594
4.1 RCT KTM250/450 15-18 S/S w/Carb Cap Slip On FMFFMF-045594
$1,199.00/ea		 $0.00
$1,199.00/ea $0.00
FACTORY 4.1 RCT STAINLESS SL (SLIP-ON) W/ CARBON END CAP
4.1 RCT KTM350/450SXF'19-21 FC350/450 S/S w/Carb End FMFFMF-045628
4.1 RCT KTM350/450SXF'19-21 FC350/450 S/S w/Carb End FMFFMF-045628
$1,359.00/ea		 $0.00
$1,359.00/ea $0.00
FACTORY 4.1 RCT STAINLESS SL (SLIP-ON) W/ CARBON END CAP
4.1 RCT KTM250SXF FC250 2019- 21 S/S Slip On Carb Cap FMFFMF-045632
4.1 RCT KTM250SXF FC250 2019- 21 S/S Slip On Carb Cap FMFFMF-045632
$1,359.00/ea		 $0.00
$1,359.00/ea $0.00
FACTORY 4.1 RCT TITANIUM ANODIZED SL (Slip-On) W/ CARBON CAP
I 4.1 RCT KTM250SXF FC250 2019 -21 Ti Slip On Carb Cap FMFFMF-045633
I 4.1 RCT KTM250SXF FC250 2019 -21 Ti Slip On Carb Cap FMFFMF-045633
$1,525.00/ea		 $0.00
Sold out
$1,525.00/ea $0.00
FMF 4.1 RCT S/S Muffler w/Carbon Cap
4.1 RCT Husqvarna FE250 20-22 FE350 S/S w Carbon Cap Slip OnFMF-045647
4.1 RCT Husqvarna FE250 20-22 FE350 S/S w Carbon Cap Slip OnFMF-045647
$1,149.95/ea		 $0.00
Sold out
$1,149.95/ea $0.00
FMF 4.1 RCT S/S Muffler w/Carbon Cap
I 4.1 RCT Husky FE250-501 2020 -22 Ti Slip On Carb Cap FMFFMF-045648
I 4.1 RCT Husky FE250-501 2020 -22 Ti Slip On Carb Cap FMFFMF-045648
$1,359.00/ea		 $0.00
Sold out
$1,359.00/ea $0.00
FMF 4.1 RCT Ti Slip On Muffler w/Carbon Cap
*4.1 RCT Ti Beta 390RR 2020 Slip On Muffler FMFFMF-045668
*4.1 RCT Ti Beta 390RR 2020 Slip On Muffler FMFFMF-045668
$1,359.00/ea		 $0.00
$1,359.00/ea $0.00
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