Radium Engineering Catch Can System for 2013+ Ford Focus ST/RS Vehicle:Focus RS - 26" x 8

- 26" x 8

5" double-wall slash cut tips

most customers knock the iridium welded tip off because it is extremely brittle and soft

Digital Boost Reading (1-50 PSI)

we chose to use a device that allows you to log and monitor 200+ parameters

Radium Engineering Catch Can System for 2013+ Ford Focus ST/RS Vehicle:Focus RS - 26" x 8Though both cans are recommended, the PCV system is more important than the Crankcase side. The crankcase side can be added later, but you can do a test to see how much oil you are getting in your stock intake inlet tube. Pull the hose off the back of the intake and stick your finger inside to see how much oil is in the tube. If you get a drop on your finger it is recommended to add the Crankcase system as well. If you get just a small amount residue