AFE  81-10034 Aries AE1 Performance Powersport Air Filter aFe Aries AE 1 air filters are constructed out of 4-layers of synthetic media for maximum protection and requires no oils to clean Filter housing is constructed out of pliabel urethane with a bump seal for a complete seal. Filters also include gaskets and require no glues or adhesives Dirt shakes loose as you hit rocks, bumps and jumps No airbox modifications necessary. Easy to install Oil Free means no messy solvents or oils needed to service and no expensive chemicals to buy