The 2015+ Subaru STI Greddy High Pressure Radiator Cap is an OEM style cap, and just screws on just like the factory cap. Not only does the metal Greddy badge on the cap dress up your engine compartment, but the 18.5psi pressure rating increases the performance of your radiator.
- 2015+ Subaru STI Greddy High Pressure Radiator Cap
- 18.5psi pressure rating
- Direct replacement
- Easy installation