Focus RS Mk3 2016 Mishimoto Oil CoolerMishimoto have spent a long time designing this oil cooler for the best possible performance making sure not only does it cool the oil on track days but also is usable for every day use and does not interfere with other cooling parts at the front of the car. Nobody likes being sidelined at the track due to high engine oil temperatures. Some aggressive track laps can overheat your oil and wear out your engine, so the Mishimoto engineers have developed