FMF FACTORY FATTY EXPANSION CHAMBER

Untreated surface

Extra strong sheet steel

Wide, even engine speed range

Higher speed

More traction

Better gas control

Uncompromising race look

Combination with FMF silencer recommended

FITS: 250 SX 2020, 250 EXC Six Days TPI 2020, 250 EXC TPI 2020, 300 EXC Six Days TPI 2020, 300 EXC TPI 2020, 300 EXC TPI ERZBERGRODEO 2020, 250 SX 2021, 250 EXC SIX DAYS TPI 2021, 250 EXC TPI 2021, 300 EXC SIX DAYS TPI 2021, 300 EXC TPI 2021, 300 EXC TPI ERZBERGRODEO 2021, 250 SX 2022, 250 EXC SIX DAYS TPI 2022, 250 EXC TPI 2022, 300 EXC SIX DAYS TPI 2022, 300 EXC TPI ERZBERGRODEO 2022, 300 EXC TPI 2022, 250 EXC 2023, 250 EXC SIX DAYS 2023, 300 EXC 2023, 300 EXC SIX DAYS 2023, 300 EXC ERZBERGRODEO 2023