The Perrin engine oil cooler tuner kit for 2015–2021 Subaru WRX provides a tuner-style oil cooling solution supplied without hoses or thermostat housing. Intended for owners adding oil cooling provisions, the kit offers the core cooler components for installation into supported WRX engines. It requires the installer to provide or reuse lines and fittings to complete the system.
PERRIN 15-21 Subaru WRX Engine Oil Cooler Tuner Kit (No lines/Thermostat Housing)