Description
- Internal ducts in the chambers of the RCT system increase internal volume for improved exhaust flow, resulting in power gains throughout the entire range of power
- Spark arrestor included in muffler
- FMF’s Factory Forward Engineering centralizes mass and is less prone to crash damage
- QuietCore 94db insert included
- Compatible with stock header or FMF header
- Innovative rear end cap features simple installation of tuning tip inserts or spark arrestor with the removal of four screws
- RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output
- Available in natural titanium or blue anodized finish with titanium or carbon fiber end caps
- Meet AMA and FIM sound requirements
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.
041575 made by FMF
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