
The Volant black Element Armor pre-filter for PN 5158 is a slip-on protective cover for the matching round air filter element, using a hydrophobic treatment to help repel water and trap road dust without reducing intake airflow. This pre-filter is aimed at off-road and severe-duty driving scenarios, where it extends primary filter life and installs in minutes to improve filtration efficiency.
Volant Universal Round Black Prefilter (Fits Filter No. 5158)