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FMF Racing Factory 4.1 Stainless Mini Moto Full System MX Exhaust

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FMF Factory 4.1 Mini Exhaust System

The Mini Factory 4.1 is an all-around performance enhancing exhaust designed for the pit rider that takes fun seriously. Be the king of backyard motocross and look great doing it with the Mini Factory 4.1 Pipe.


  • Superior power on stock and big bore motors
  • Fully tunable with inserts and spark arrestor (sold separately)
  • Hi-Flo header
  • 100% Made in the USA
*Pictures shown may vary from actual products.