We designed Endos as an economical way to convert your stock muffler into a U.S.F.S. approved spark arrested muffler. When the spark arrestor screen is not required—such as at the MX track—simply remove three machine screws and take out the screen. It’s as simple as that. Each end cap is machined out of solid 6061 aluminum and installs quickly and easily. Key features: U.S.F.S. approved and engraved accordingly Includes removable, replaceable, screen type spark arrestor Color anodized removable end cap nozzle Hard clear anodized for durability and protection from the elements All hardware included for installation Each Endos spark arrestor includes an end cap assembly with color anodized removable nozzle, a spark arrestor screen, and all required mounting hardware. See Installation Instructions for model specific installation requirements. Fits 2011 Kawasaki KX250F/450F models. Silent Inserts

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