FMF Factory 4.1 RCT Aluminum Silencer with Carbon End Cap - 19-23 KX450

Fitment: 2019-2023 KX 450/X Specs: Premium aluminum alloy canister body Genuine carbon fiber composite end cap Rapid Tuning System (RTS) allows for swapable end cap inserts (sold seperately) Compatible with FMF and OEM headers Resonance Chamber Technology (RCT) lowers sound and refines exhaust gas pressure Increases performance throughout the rpm range Efficient design centralizes mass and makes silencer body less prone to damage in a crash Increased packing material volume in main body canister Meets AMA and FIM sound regulations and requirements Quiet Core 94db end cap insert included USFS spark arrestor included and pre-installed in silencer 100% American made in California Easily removable end cap for quick servicing and repacking Available in various finishes and end cap materials MPN: 042369