Mishimoto 15 Subaru STI Oil Cooler Kit - Silver

Mishimoto is well-known for making well-built cooling components for performance vehicles. For your 2015-2018 Subaru WRX STI, controlling oil temperature is key to keeping that engine running strong, whether you're on the street or the track. This oil cooler kit is specifically designed to help manage those temperatures, ensuring consistent power and protecting your engine's longevity.

This kit features a large 19-row oil cooler that mounts up front for excellent airflow. Mishimoto includes direct-fit brackets and pre-assembled stainless steel lines with -10AN fittings, making installation straightforward. In testing, this cooler has shown it can lower oil temperatures by more than 20 degrees Fahrenheit while only causing a small drop in oil pressure. To further protect the lines from heat radiating off nearby components like the exhaust, the kit comes with thermal reflective wrap.

You can choose between a sleek silver cooler or a stealth black one, and you can pair it with either the standard Mishimoto oil sandwich plate or their thermostatic version, which helps the engine reach optimal operating temperature faster. This kit retains your stock liquid-to-liquid oil cooler, and it's backed by Mishimoto's Lifetime Warranty.