The FMF Factory Fatty exhaust pipe, part number 025330, is a 2-stroke pipe for the 2026 Beta 350RX, built in the style of the former factory “works” cone pipes. It is designed with high-quality craftsmanship and materials to broaden and smooth the power curve while improving performance across the entire power band, including stronger low-end response, improved mid-range output and increased over-rev.

Features

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  Broadens and smooths the power curve

  
  


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  Increases low-end power

  
  


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  Improves mid-range power

  
  


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  Increases over-rev

  
  


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  Provides gains throughout the entire power band

  
  


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  Built in the style of factory “works” cone pipes

  
  


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  Hand-pounded seams for smoother flow transitions

  
  


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  O-rings included on most models

  
  


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  O-rings included

  
  

Specifications

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  Part number: 025330

  
  


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  20-gauge steel pipe body

  
  


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  19-gauge steel header portion

  
  

Vehicle Fitments

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  Beta 350RX 2026