Mishimoto 2014+ Ford Fiesta ST EcoBoost Racing Thermostat 5x114.3 15378 features a cat-back layout

15378 features a cat-back layout design to replace your import's stock exhaust components from the catalytic converter on back

a silicone throttle body hose

2004-2019 Subaru Impreza WRX STI

Produced from high-quality aluminized steel

the 0FG Exhaust is a straight-through Cat Back configuration applicable to all Bronco models – 2

Mishimoto 2014+ Ford Fiesta ST EcoBoost Racing Thermostat 5x114.3 15378 features a cat-back layoutKeep your Fiesta running cool with the Mishimoto low temperature Fiesta ST thermostat. Optimal engine temperatures are imperative to achieving peak performance. This Fiesta ST thermostat activates at 160 F vs. the stock 207 F, allowing the coolant to flow through the engine earlier. When you're out hot lapping at the track, a lower temperature thermostat will be beneficial in keeping engine temps down. When paired with the Mishimoto Fiesta ST Aluminum