Radium Engineering's dual catch can kit for 2016–2018 Ford Focus RS interfaces with both the crankcase vent line and the PCV line and includes all parts for an easy bolt-in installation. The kit contains Radium's Fluid Lock catch cans (patent pending) and is offered as an application-specific solution to manage crankcase and PCV flows on supported Focus RS vehicles.
Radium Engineering Dual Catch Can Kit 16-18 Focus RS Fluid Lock