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The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology? both internally and externallyIn addition, FMF achieves a shorter overall length that is less susceptible to crash damage and...
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FMF 45558 MUFFLER AL 4.1 RCT FOR KTM
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RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power outputInternal ducts in the chambers of the RCT system increase internal volume...