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Product Details:
- Blue anodized titanium muffler sleeve
- Titanium mid pipe
- Carbon fiber end cap
- Spark arrestor included
- Quiet insert included
- 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 stock OEM head pipe or FMF head pipe
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.
Vehicle Fitment
| type | years | make | model | engine | required | location | notes |
|---|
| ATV / SxS | 09-22 | Yamaha | YFZ450R | 449 | 1 | | |
| ATV / SxS | 10-20 | Yamaha | YFZ450R SE | 449 | 1 | | |
| ATV / SxS | 10-11 | Yamaha | YFZ450X | 449 | 1 | | |
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