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About FMF Factory 4.1 RCT Slip-On Mufflers
FMF Factory 4.1 RCT Slip-On Mufflers
- RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output
- 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
- FMF's Factory Forward Engineering centralizes mass and is less prone to crash damage
- Innovative rear end cap features simple installation of tuning tip inserts or spark arrestor with the removal of four screws
- Compatible with stock header or FMF header
- Meet AMA and FIM sound requirements
- QuietCore 94db insert included
- Spark arrestor included in muffler
- Available in natural titanium finish with titanium end caps
- Made in the U. S. A.
Warning: California Proposition 65