The Mishimoto aluminum radiator for 2015–2021 Subaru WRX is a direct-fit replacement engineered to lower coolant temperatures by about 20°F and improve cooling efficiency up to 15%. Its dual-core, 100% brazed aluminum construction with polished end tanks increases coolant capacity and surface area, installs without modification, and ships with a 1.3 bar radiator cap and Mishimoto lifetime warranty.
Mishimoto 15 Subaru WRX Performance Aluminum Radiator