FMF Racing 26+ Yamaha YZ450F Factory Anod 4.1 RCT w/ Carbon Cap - Complete System w/ TI MB Header
FMF Racing 26+ Yamaha YZ450F Factory Anod 4.1 RCT w/ Carbon Cap - C...
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.
- Highest-quality proprietary blend of alloy grade titanium
- Blue anodized titanium muffler with carbon end cap
- Massive power gains throughout the RPM range
- Rapid Tuning System (RTS)
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2026 | Yamaha | YZ450F | Base |
| 2026 | Yamaha | YZ450F 70th Anniversary Edition | Base |
| 2026 | Yamaha | YZ450FX | Base |
Shipping & Returns
Shipping is calculated at checkout. For complete details, review our shipping and return policies.
FMF Racing 26+ Yamaha YZ450F Factory Anod 4.1 RCT w/ Carbon Cap - Complete System w/ TI MB Header
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.
- Highest-quality proprietary blend of alloy grade titanium
- Blue anodized titanium muffler with carbon end cap
- Massive power gains throughout the RPM range
- Rapid Tuning System (RTS)
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2026 | Yamaha | YZ450F | Base |
| 2026 | Yamaha | YZ450F 70th Anniversary Edition | Base |
| 2026 | Yamaha | YZ450FX | Base |
Shipping & Returns
Shipping details are shown at checkout. Review our shipping and return policies for complete information.
Description
Description
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.
- Highest-quality proprietary blend of alloy grade titanium
- Blue anodized titanium muffler with carbon end cap
- Massive power gains throughout the RPM range
- Rapid Tuning System (RTS)
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2026 | Yamaha | YZ450F | Base |
| 2026 | Yamaha | YZ450F 70th Anniversary Edition | Base |
| 2026 | Yamaha | YZ450FX | Base |
Reviews
Reviews
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Make sure it fits. Make sure it works.
Need help with this part?
R1 Industries can help confirm product fitment, compare options and arrange professional installation or repair.
