RPM 4-Stage Catch Can Ext Filter Top W/ Filter & Pre Filter

RPM SxS 4-Stage Catch Can – External Breather Filter Kit Want even more filtration or prefer an external filter on your RPM 4-Stage Catch Can? This optional upgrade kit replaces the standard Frogzskin vented top with a billet aluminum external filter mount. It allows you to run our RPM high flow filter plus a Hydrophobic pre filter on top of the catch can for a second stage or external filtration. Perfect for or anyone who simply prefers the look and serviceability of an external breather filter. Kit Includes: Billet aluminum external filter mount (replaces stock top) High flow RPM breather filter Hydrophobic Pre-Filter All necessary hardware & Clamps For RPM Stage-4 Catch Can ONLY