RADIUM ENGINEERING DUAL CATCH CAN KIT - HONDA CIVIC TYPE R FL5 [2023+]

For the ultimate in engine protection, Radium Dual Catch Can Kit, for the 2017+ Civic Type-R. This kit utilizes both the "CCV" and "PCV" catch can kits detailed below. It is designed for LHD vehicles.

PCV
This catch can runs inline with the PCV (positive crankcase ventilation) valve and retains it's factory function. When the intake manifold pressure is close to or greater than atmospheric pressure, the PCV "check" valve closes and, thus, this hose experiences no flow. Conversely, the PCV hose 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. Note: No inline check valve is required since Radium catch cans are pressure sealed. This means a direct intake manifold connection is permitted.

CCV
The catch can fits under the OEM engine cover with no modifications required. It secures to the RH motor mount. If an aftermarket motor mount is used, minor modifications may be required. This catch can runs inline with the crankcase vent port. At low loads it experiences atmospheric pressure, but when the engine is at high load (WOT), this line will experience high flow out of the crankcase. This would normally lead to oil and sludge accumulation in the air filter intake pipe. Oil accumulation will occur in the intercooler which lowers the thermal efficiency properties of the heat exchanger and leads to decreased performance.

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