Injen AMSOIL Ea Nanofiber Dry Air Filter - 2.75 Filter 5 Base / 5 Tall / 4 Top - 40 Pleat

In 1999 Injen designed the first urethane filter with a built in velocity stack for added performance. The Injen Technology Research and Development Team calculates each filters mesh and pleat count for each specific application during the development stages.