- New
TurboXS 2002-2021 Subaru EJ Engine Coolant Modification
The TurboXS EJ Engine cooling mod is easy insurance to help reduce knock on the CYL #4 by adding a direct path to cooling the #4 Cylinder. Installs within 30 minutes and only basic tools are needed to get the job done.
Fits All Subaru's with EJ Engines