FMF 4 Stroke - Header Pipes Stock Item:Megabomb S/S YZ250F 2019-22 Header FMF [A] 96251: Muffler packing 250mm x

96251: Muffler packing 250mm x 700mm

there is a detachable and separately wearable thermal liner

Single motion closure

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

Hard-wearing single density grips for the road

FMF 4 Stroke - Header Pipes Stock Item:Megabomb S/S YZ250F 2019-22 Header FMF [A] 96251: Muffler packing 250mm xMEGABOMB HEADER: The science behind the MegaBomb header may be FMF's greatest engineering accomplishment to date. You can bolt on a Megabomb with an existing FMF Racing muffler for as much as a 3hp boost, plus the Megabomb actually reduces noises levels by as much as 1. 5dB. The Megabomb technology is revolved to produce more low end to mid range gains as well as broadening out the mid to top end power gains over stock. The Megabomb is best used for