Steeda's X4 tuning device with custom tune is C.A.R.B approved for 2015-2017 EcoBoost models and can produce up to 47 additional horsepower with our California legal cold air intake 555 3199. SCT's X4 features great improvements in design and use. This unit is a smaller, more compact device than the X3 it replaces.
The X4 features a larger, brighter, easy to read color screen with auto dim and user adjustable portrait and landscape modes. The device holds up to 10 custom tunes which can be supplied by SCT custom tuning dealers and also includes pre-loaded strategy files from SCT.
Now with built in Wifi, the device can be connected to any wireless network and will allow you to install any software updates released by SCT right through the device without a PC.
In addition, the X4 offers improved datalogging capabilities right through the device or when used in conjunction with a laptop and SCT's Live Link software.
- Larger adjustable screen with landscape and portrait modes
- Holds up to 10 custom tunes
- On screen datalogging and monitoring
- Wireless connectivity
- C.A.R.B. approved per EO D-536-5