E9X M3 Performance Filter (Green Filter, Reusable)

High flow air filter with factory direct drop-in fitment. This allows your engine to breathe easily, making your powerplant more efficient. This filter utilizes two layers of tightly woven cotten fabric - cotton holds oil better, is thinner, and stronger.

• Hand molded flexible rubber base on filters.
• Green Filter USA rubber molds create air tight seals. We also feature trim-able custom fitment tabs on all filters.
• Green Filter USA uses deeper air filter pleats which creates more filtration surface.
• Race proven gains and technology.