FACTORY 4.1 RCT FULL EXHAUST SYSTEM WITH MEGABOMB 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 QuietCore 94 dB insert included Spark arrestor included in muffler 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 FMFs Factory Forward Engineering centralizes mass and is less prone to crash damage Meets AMA and FIM sound requirements Made in the U.S.A.
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