PowerCore 024037 YAMAHA-YZ250FX-2019 -FMF uses the highest quality

-FMF uses the highest quality proprietary blend of alloy grade titanium made especially to our standards

You can bolt on a Megabomb with an existing FMF Racing slip on for as much as a 3hp boost

The science behind the Megabomb header may be our greatest engineering accomplishment to date

-Can be used with FMF or stock silencer (unless noted)

works and fits FMF or stock

PowerCore 024037 YAMAHA-YZ250FX-2019 -FMF uses the highest qualityThe original Powercore is a lightweight and compact silencer constructed of an extruded aluminum canister with nickel plated stinger and end cap. It is fully re buildable using basic hand tools. It offers that factory look and sound while giving you an increase in power over the stock silencer.