FMFRacing Fmf Fact 4.1 Rct Anod Sys W/Ti M.B. W/C Cap Yz250F 044457

Description

Incorporating Resonance Chamber TechnologyPatented core shape lowers sound level while maintaining maximum power outputPatented canister shape increases internal volume for more sound absorbing materialPatented chamber design to enhance and refine exhaust pressureFactory Forward Engineering centralizes mass and is less prone to crash damageTuned exhaust with optimized core specifications for each applicationComes with the quality, craftsmanship and performance expected from FMFMeets AMA and FIM sound requirementsQuietCore 94db insert includedSpark arrestor included in mufflerBuilt 100% in the USA at FMFs state-of-the-art-factoryMaintenance made easy with the removal of 4 screws on the front end cap