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FMF FATTY EXPANSION CHAMBER
 Extra strong sheet steel
Nickel-plated surface
Wide, even engine speed range
Higher speed
More traction
Better gas control
Combination with FMF silencer recommended
FITS: 65 SX 2020, 65 SX 2021, 65 SX 2022, 65 SX 2023
$608.73
FMF FATTY EXPANSION CHAMBER—
$608.73
FMF FATTY EXPANSION CHAMBER
 Extra strong sheet steel
Nickel-plated surface
Wide, even engine speed range
Higher speed
More traction
Better gas control
Combination with FMF silencer recommended
FITS: 65 SX 2020, 65 SX 2021, 65 SX 2022, 65 SX 2023
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
 Extra strong sheet steel
Nickel-plated surface
Wide, even engine speed range
Higher speed
More traction
Better gas control
Combination with FMF silencer recommended
FITS: 65 SX 2020, 65 SX 2021, 65 SX 2022, 65 SX 2023
