aFe Power Magnum FLOW Pro 5R Air Filter Element - 8-1/4 x 6-1/4" Base - 7-1/4 x 5" Top - 9" Tall - 6-3/4 x 4-3/4" Flange - Reusable Cotton - Blue H763CBFXXL Great for circle track drivers

Great for circle track drivers during pit stops or yellow flags

no special parts are required

1 Way Bearing

Extraction vents to maximize cooling and air circulation

aFe Power Magnum FLOW Pro 5R Air Filter Element - 8-1/4 x 6-1/4" Base - 7-1/4 x 5" Top - 9" Tall - 6-3/4 x 4-3/4" Flange - Reusable Cotton - Blue H763CBFXXL Great for circle track driversThe Pro 5R is our most performance oriented media available, outperforming virtually all other cotton gauze media on the market today. It provides your engine with the largest amount of high flowing air, usually resulting in the highest horsepower and torque gains out of all aFes filter media options. 98. 6% Filtration Efficiency Advanced FLOW engineering (aFe Power) is a premier designer and manufacturer of automotive performance upgrade systems and