Description
Mishimoto Racing Thermostat – 2014+ Ford Fiesta ST EcoBoost is aimed at 2014+ Ford Fiesta ST EcoBoost owners who want to changes the coolant-control strategy with a performance-oriented thermostat calibration.
Why it works on this application
The reason this matters on the 2014+ Ford Fiesta ST EcoBoost is straightforward: for performance use, the goal is a controlled and repeatable thermal window, not simply the lowest possible coolant temperature. It is most useful during tuned street builds, canyon driving, autocross, roll-on acceleration, and track days.
For a 2014+ Ford Fiesta ST EcoBoost owner, the strongest reason to add this part is when the vehicle’s real use has progressed beyond what an untouched factory system was expected to handle.
Driver fit
Best match: enthusiasts building a complete cooling package. The upgrade is most worthwhile for a car that is driven often enough and hard enough for the factory component to become part of the build plan.