FMF Factory Fatty expansion chamber
KTM
SKU: 55405907001

FMF Factory Fatty expansion chamber 55405907001

Sale price$329.99
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  • Extra strong sheet steel
  • Untreated surface
  • Wide, even engine speed range
  • Higher speed
  • More traction
  • Better gas control
  • Uncompromising race look
Combination with FMF silencer recommended

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