Fmf Racing 025271 PowerCore 2.1 Silencer - Aluminum tires-wheels-wheel-spacers Reduces the 18mm O2 bungs

Reduces the 18mm O2 bungs to 12mm O2 bungs found on select 10-13 models

1999 Yamaha YFM350FW Big Bear 4x4

120 ft-lb torque capacity

and canister while the end-cap is constructed of carbon fiber

Fmf Racing 025271 PowerCore 2.1 Silencer - Aluminum tires-wheels-wheel-spacers Reduces the 18mm O2 bungsMaterial: Aluminum Built to provide excellent power for todays tracks geared toward 4 stroke machines. Smooth power curve throughout the RPM range. Large diameter canister for more tenability and longer lasting packing life. Delivers a crisp, notable sound. Approx. 1. 5lbs lighter than stock. Optimally designed to complement performance of FMF pipes, works and fits FMF or stock. Vehicle Fitment: 2020 2024 Beta 250 RR 2020 2024 Beta 300 RR 2021 2025