The FMF Turbinecore 2.1 silencer with spark arrestor, part number 025334, is a 2-stroke exhaust silencer for the 2026 Beta 350RX, designed to deliver smooth performance throughout the RPM range while maintaining unrestricted exhaust flow. It features FMF’s Turbine Dampening System and a straight-through spark arrestor canister design, providing reliable performance for track and trail use, along with strong durability and compatibility with both FMF and standard systems.

Features

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  Integrated spark arrestor

  
  


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  Smooth power curve throughout the RPM range

  
  


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  Unrestricted performance

  
  


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  Engineered for modern tracks and trails

  
  


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  Greater tunability

  
  


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  Longer-lasting packing life

  
  


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  Delivers a crisp, notable sound

  
  


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  Lighter than standard

  
  


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  Designed to complement the performance of FMF pipes

  
  


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  Works with and fits FMF or standard systems

  
  

Specifications

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  Part number: 025334

  
  


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  Turbine Dampening System

  
  


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  Straight-through spark arrestor canister design

  
  


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  Larger diameter aluminium canister

  
  


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  Aluminium and stainless steel construction

  
  


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  Stainless steel performance flow end cap

  
  


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  U.S. Forest legal status

  
  

Vehicle Fitments

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  Beta 350RX 2026