aFe Power Magnum FLOW Pro 5R Conical Air Filter Element - 7 in Base - 5-1/2 in Top - 5-1/2 in Flange - 7 in Tall - Blue BR40054 1990-1991 GMC C5000 Topkick

1990-1991 GMC C5000 Topkick

Bushings’ progressive rate start softly and quickly “ramp up

GM Fullsize SUV / Truck 2000-06

Remote Starter Switch

5 in Ring Gear

aFe Power Magnum FLOW Pro 5R Conical Air Filter Element - 7 in Base - 5-1/2 in Top - 5-1/2 in Flange - 7 in Tall - Blue BR40054 1990-1991 GMC C5000 TopkickThe 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