FMF HONDA CRF450R/CRF450RX 21-26 FACTORY 4.1 RCT STAINLESS STEEL SLIP-ON WITH CARBON END CAP
The 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 centralise mass. The Factory 4.1 RCT is constructed from only aerospace grade materials that meet FMF exacting specifications and is manufactured 100% at their Southern California factory.
FEATURES
- Available in Natural Aluminium Muffler with Carbon End Cap
- Massive Power gains throughout the RPM range.
- Huge weight savings
- New RTS (Rapid Tuning System)
- Advanced engineering and patented design
- Meets AMA/FIM 94dB sound requirement
- Spark arrestor available for purchase
- Use with FMF or stock/OEM header
- Easily serviced for repacking
- FMF uses the highest quality proprietary blend of alloy grade titanium made especially to FMF standards.
Please note: Image for reference. Correct product will be provided.
SPECIFICATIONS
Notice: Closed Course Use Only
Item ID: 041602
Type: Slip-On
Configuration: Single
Const: Aluminium
Finish: Natural
Midpipe: Stainless Steel
Endcap: Carbon
Spark Arrestor: Screen Insert (included)
Carb Warning: no
Quiet Insert: 94dB Insert (included)
BIKE FITMENT
HONDA
- CRF450R 2021-2026
- CRF450RX 2021-2026
Product Information
Product Information
Shipping & Returns
Shipping & Returns



FMF HONDA CRF450R/CRF450RX 21-26 FACTORY 4.1 RCT STAINLESS STEEL SLIP-ON WITH CARBON END CAP
FMF HONDA CRF450R/CRF450RX 21-26 FACTORY 4.1 RCT STAINLESS STEEL SLIP-ON WITH CARBON END CAP
The 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 centralise mass. The Factory 4.1 RCT is constructed from only aerospace grade materials that meet FMF exacting specifications and is manufactured 100% at their Southern California factory.
FEATURES
- Available in Natural Aluminium Muffler with Carbon End Cap
- Massive Power gains throughout the RPM range.
- Huge weight savings
- New RTS (Rapid Tuning System)
- Advanced engineering and patented design
- Meets AMA/FIM 94dB sound requirement
- Spark arrestor available for purchase
- Use with FMF or stock/OEM header
- Easily serviced for repacking
- FMF uses the highest quality proprietary blend of alloy grade titanium made especially to FMF standards.
Please note: Image for reference. Correct product will be provided.
SPECIFICATIONS
Notice: Closed Course Use Only
Item ID: 041602
Type: Slip-On
Configuration: Single
Const: Aluminium
Finish: Natural
Midpipe: Stainless Steel
Endcap: Carbon
Spark Arrestor: Screen Insert (included)
Carb Warning: no
Quiet Insert: 94dB Insert (included)
BIKE FITMENT
HONDA
- CRF450R 2021-2026
- CRF450RX 2021-2026
Original: $596.27
-65%$596.27
$208.69Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The 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 centralise mass. The Factory 4.1 RCT is constructed from only aerospace grade materials that meet FMF exacting specifications and is manufactured 100% at their Southern California factory.
FEATURES
- Available in Natural Aluminium Muffler with Carbon End Cap
- Massive Power gains throughout the RPM range.
- Huge weight savings
- New RTS (Rapid Tuning System)
- Advanced engineering and patented design
- Meets AMA/FIM 94dB sound requirement
- Spark arrestor available for purchase
- Use with FMF or stock/OEM header
- Easily serviced for repacking
- FMF uses the highest quality proprietary blend of alloy grade titanium made especially to FMF standards.
Please note: Image for reference. Correct product will be provided.
SPECIFICATIONS
Notice: Closed Course Use Only
Item ID: 041602
Type: Slip-On
Configuration: Single
Const: Aluminium
Finish: Natural
Midpipe: Stainless Steel
Endcap: Carbon
Spark Arrestor: Screen Insert (included)
Carb Warning: no
Quiet Insert: 94dB Insert (included)
BIKE FITMENT
HONDA
- CRF450R 2021-2026
- CRF450RX 2021-2026














