Seller notes

New OEM KTM FMF FACTORY FATTY EXPANSION CHAMBER 55505907001 Untreated surfaceExtra strong sheet steelWide, even engine speed rangeHigher speedMore tractionBetter gas controlUncompromising race lookCombination with FMF silencer recommended Fits the following models:250 SX 2019 250 XC 2019 250 SX 2020 250 XC TPI 2020 250 XC TPI 2021 250 XC TPI 2022 300 XC 2019 300 XC TPI 2020 300 XC TPI 2021 300 XC TPI 2022 250 XC-W TPI 2020 250 XC-W TPI 2021 250 XC-W TPI 2022 300 XC-W Six Days TPI 2020 300 XC-W T...

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