Guides & News

Practical Radium Engineering buying guides, fitment checks and fuel-system planning, plus news from RadiumShop UK. Choose a topic to find the information for your build.

Radium Engineering air-oil separator kit with hose, brackets and fittings
Catch Cans and AOS · Installation Planning · Subaru WRX ·
Radium AOS-R on a 2015+ Subaru WRX: Installation Planning
Plan a Radium AOS-R installation for a Subaru WRX: confirm the exact engine, VTE configuration, oil return, coolant circuit and manufacturer instructions.
Radium Engineering air-oil separator kit with hose and fittings
Catch Cans and AOS · Subaru WRX ·
Catch Can vs. Air-Oil Separator: Which Runs Cleaner on a Subaru WRX?
Compare catch cans and return-type AOS installations for a WRX, including VTE/VTA routing, fitment and inspection requirements.