A Geniune Subaru panel filter as fitted to all Imprezas. This paper element offers excellent filtration and is edged by a supple rubber seal. This offers excellent sealing properties within the airbox, assembly ensuring only clean air passes into the engine.

Cosworth panel filter, to fit Subaru Impreza 2008+.  Cosworth High Flow Panel Filters are constructed from a propietary synthetic, non-woven single layer, pleated polyester filter media that requires no oiling.  For an OE fit, the filter housing is injection molded...

Performance panel filter.  Designed as a direct replacement for the original panel filter.