FMF Factory 4.1 Slip-On Muffler 041603

The lightest mufflers availableSuperior power and performance – horsepower improved throughout the rpm rangeFeature exclusive proprietary Chamber Core technologyFactory Forward Engineering centralizes mass, improves handlingMade from premium quality American materialsCustomize with performance tuning inserts and spark arrestor moduleMeet AMA sound requirements on most models; inserts available for othersType: Slip-OnEnd Cap Material: Carbon FiberModel: Factory 4.1Product Name: MufflerUnits: EachMaterial: TitaniumFitment:View Parts Application LookupOff-Road Motorcycle2021-2024 Honda CRF450R2021-2024 Honda CRF450RX