Choose your Tuning

These Derringer Tuners are a plug-and-play solution for the for your Powerstroke. It connects to your truck via the OBDII port all three options have a wide variety of features including ActiveSafety to protect your engine. The Derringer doesn't write anything on your ECU, it only adapts the parameters to safely make more power. This means the tuner is untraceable by the dealer and will not void your warranty.