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Mishimoto's black thermostatic oil cooler kit for 2006–2007 Subaru WRX and WRX STI combines a 19‑row direct‑fit cooler with a thermostatic sandwich plate option to improve oil temperature control on street or track. The kit adds 0.65 qt capacity, cuts temperatures significantly with minimal pressure loss, and includes CNC‑machined installation hardware for a straightforward fit.
Mishimoto 06-07 Subaru WRX/06-07 WRX STi Thermostatic Oil Cooler Kit - Black
