The ProRam range of universal air filters from RamAir feature a pleated synthetic nanofibre filtration media for maximum surface area and increased filtration. This allows for higher air flow with excellent dust and dirt filtration to protect your engine. The top cap of the filter includes an inverted cone to increase the intake area and the base has a rubber polymer neck for fitting to a MAF sensor or rigid intake pipe. Features: Pleated filtration media for maximum airflow and dust / dirt retention. Inverted cone end cap provides increased airflow. Rubber polymer neck to clamp to a MAF sensor or rigid intake pipe. This filter is capable of handling extremely large power & flow rates and replaces the restrictive factory airbox. It is a lifetime washable filter.