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Factory 4.1 RCT integrates RCT (Resonance Chamber Technologyâ„¢) both internally and externally
A shorter overall length that is less likely to be damaged in the event of an accident and complements FMF's Factory Forward Engineering, by bringing the muffler closer to the engine to centralize mass
The Factory 4.1 RCT is built using only aerospace-grade materials that meet FMF's rigorous specifications and is 100% manufactured in their Southern California plant
Significant power gains over the entire speed range
Considerable weight savings
New RTS (Rapid Tuning System)
MegaBomb collector included
Spark arrester insert included
Fitted with a stainless steel manifold with titanium intermediate tube.