The X4 Power Flash arrives Pre-Loaded with DYNO Proven tune files that INCREASE HORSEPOWER and TORQUE! Programming your vehicle with one of SCT's pre-loaded performance or fuel economy tune files is as easy as 1-2-3. Simply plug the OBDII connector into your vehicle's OBDII port, select the pre-loaded tune file using the simple to navigate menu and within minutes the X4 programs your vehicle.

• Wide Model Fit: Fitting a wide array of GM Models 1999-2017
• Custom Tuning: Control your vehicle's performance fully with custom tune capability and an adjustable tune interface.
• Easy Updates: Built-in Wifi allows you to easily attach to your local area wireless network to download device updates.
• Ready To Go: The X4 Power Flash arrives pre-loaded with DYNO proven tune files that increase Horsepower and Torque.
• Vehicle Data Overload: The X4 Power Flash makes it easy to read the real time vehicle data, view popular sensor data such as EGT, Air / Fuel Ratio or any other 0-5 Volt source!