The Radium Engineering PCV Catch Can Kit for the new 2017+ Civic Type R secures to the firewall with no modifications required.
This system runs inline with the PCV (positive crankcase ventilation) valve and retains all factory functions. 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 engi. . . Show More >