Mishimoto MMTS-MUS8-11 Racing Thermostat (Ford Mustang V6/V8) Direct fit for the 2011+ Ford Mustang V6 & V8 Lower activation temp allows coolant to flow through the engine earlier Maintains lower temperatures and extends engine life Mishimoto Activation: 160F (71C) / OEM Activation: 180F (82C) Mishimoto Lifetime Warranty