Injen Black Water Repellent Pre-Filter Fits X-1069 2021-subaru-wrx-esi1121514 RB813 is a high quality

RB813 is a high quality

Also fits: 2010 Mitsubishi Lancer Ralliart

The internal air diverter turbulates the air longer and ensures all the oil sinks to the bottom of the can

CSF 10-20 Toyota 4Runner 4

Injen Black Water Repellent Pre-Filter Fits X-1069 2021-subaru-wrx-esi1121514 RB813 is a high qualityInjen Technology's Hydroshield are designed to enhance the efficiency of any air filter, including Injen's SuperNano Web and our 8 Layer oiled cotton gauze air filters. Injen's Hydroshield is constructed from a proprietary base media and then treated with a hydrophobic water repellent. Our Hydroshield is UV resistant, can stop contaminants down to. 005", is puncture resistant, and has elasticity characteristics which helps the Hydroshield to return to