Twin Air Foam Air Filter | 158320N KTM ***Designed to fit the FMF

***Designed to fit the FMF Gnarly Pipes ONLY***

Easy bolt-on performance chain slider

The harness is not compatible with neck braces

KTM 250 SX 2006 to 2012

2013-2024 RM-Z450

Twin Air Foam Air Filter | 158320N KTM ***Designed to fit the FMFThick, flat foam, greaseless sealing ring ensures maximum contact with your airbox while acting as a breathable gasket for increased air passage Coarse open pore foam catches airborn dirt, grime, and sand Fine open pore inner foam acts as second filter to trap the smallest particles while ensuring maximum air passage Adhesive withstands repeated cleaning Smaller than stock to increase air space and circulation around filter