Billet 2-port universal catch canSeparates oil particles from PCV CCV air using 50 micron bronze filter 100% billet 6061 aluminum sealed can Defends intercooler, intake system, and essential components from oil blow by Helps maintain proper octane levels to reduce potential detonation Features one inlet and one outlet Filter and can are both fully serviceable Safe for pressurized applications Internal air diverter turbulates air longer to improve oil separation Includes 3 plastic