Mishimoto MMTS-EVO-10L Mitsubishi Lancer Evolution X Racing Thermostat, 2008+ Fits the 2008+ Mitsubishi Lancer Evolution X Activates at lower temperature so coolant flows through system earlier Allows for cooler engine temperatures Mishimoto Activation: 155F (68C) / OEM Activation: 180F (82C) Mishimoto Lifetime Warranty