Mishimoto direct-fit oil cooler kit for 2015+ Subaru WRX FA20 DIT is a bolt-on solution that works with the stock liquid-to-liquid cooler to reduce oil temperatures. The kit includes a large 19-row cooler, application-specific brackets, a CNC-machined sandwich plate for filter clearance, and preassembled stainless steel lines with -10AN fittings. It is engineered to lower oil temps during aggressive driving and track use.
Mishimoto 2015 Subaru WRX Oil Cooler Kit