FMF Factory 4.1 Muffler 044211 1831-0359 909 Uppercut Slip-On Mufflers Every feature of these Rearsets

Every feature of these Rearsets is extremely specific in design to meet the needs of professional technicians and racers

Viscoelastic knuckle guard for protection against repeated impact

Performs like it looks and looks like it performs

2019-2020 Honda CRF450R - - 2019-2020 Honda CRF450RX - -

yet allows good feel in turns Anatomically shaped for optimal contact

FMF Factory 4.1 Muffler 044211 1831-0359 909 Uppercut Slip-On Mufflers Every feature of these RearsetsIf performance is your priority, the Factory 4. 1 is the exhaust for you Used by Factory teams such as KTM, Epic Can Am and Rath Racing Accepts optional quiet inserts and spark arrestors For use with FMF Powerbomb, FMF Megabomb, or stock header