SpeedFactory Racing 2015+ Ford EcoBoost Mustang 600HP Dual Backdoor Intercooler - SF-06-55-002An upgraded intercooler is by far the most important and beneficial modification to this car! A single 4th gear dyno pull on a stone cold stock intercooler with our shop test car resulted in extremely high charge air temperatures over 150*F. In real world use the stock intercooler can easily allow charge air temperatures well over 200*F. This results in increased knock, reduced ignition timing to combat knock, and low power output. With the stock