Aoi Toudou Jujutsu, Anime, Todo art Radium Dual PCV CCV Fluid Lock Catch Can Kit Subaru WRX VB 22+. Radium Engineering catch cans feature large 10AN ORB ports, a 4AN ORB drain port, 2 step oil separation baffling, and an O ring sealed dipstick. These kits mount using factory holes and integrate perfectly with the surrounding components. They do NOT vent to atmosphere (VTA), thus are emissions and track legal. Closed loop systems remove the oil and sludge from the PCV gasses before it is routed to the engine to be burned. A closed loop system also promotes negative crankcase pressure for optimal performance. Furthermore, closed systems prevent unwanted oil vapors from entering the cabin. The dipsticks built into the catch cans allow easy inspection of accumulated fluid. No cutting, drilling or permanent modifications are required. PCV Catch Can Kit The PCV catch can kit runs inline between the PCV valve and the intake manifold and promotes clean filtered air back into the engine. When the intake manifold pressure is close to or greater than atmospheric pressure, the PCV "check" valves close and, thus, this hoses experience no flow. Conversely, the PCV hoses will experience "metered" vacuum when the engine is idling, steady state cruising, and decelerating. This would normally draw unwanted crankcase vapor, unspent fuel, and oil sludge into the intake manifold immediately after a high load run. The catch can mounts to threaded bosses on the ABS unit. INCLUDES Baffled oil catch can WRX VB specific mounting bracket 12AN adapter fittings and hose ends Stainless steel hardware 3 4" PCV hose CCV Catch Can Kit Without making any permanent modifications, the CCV catch can mounts underneath the OEM air intake duct. To retain factory functionality, the CCV catch can runs inline between the crankcase vent (CCV) port and the turbo inlet pipe. At low loads, it experiences atmospheric pressure. However, when the engine is at high load (WOT), the line will experience high flow from the crankcase into the intake system. This would normally lead to oil and sludge accumulation in the air filter intake pipe. The CCV catch can captures this and promotes clean filtered air back into the intake. NOTE: This kit is compatible with the OEM air duct (not shown). INCLUDES Baffled oil catch can WRX VB specific mounting bracket 10AN adapter fittings and hose ends Stainless steel hardware 5 8" PCV hose NOTES No extra inline check valve is required since Radium catch cans are pressure sealed. Click here to download installation instructions (PDF) Vehicle Fitment: 2022+ Subaru WRX VB