This AEM Brute Force Dryflow Air Filter is perfect for off - road enthusiasts who love to take on tough terrains. It can be used in various off - road vehicles. The filter is conical in shape with a 6 - inch base outer diameter, a 5.125 - inch top outer diameter, and a height of 5.25 inches. With its high - performance design, it's an ideal choice for anyone looking to upgrade their vehicle's air filtration system for a better off - road experience.