- Download the SCT Updater Software.
- Plug the device into the computer and open the SCT Device Updater.
- Click Load Custom Tune File.
- Click Browse on the top right hand side.
- That will open a new window, where you are able to select your Desktop on the left hand side of the new window.
How much HP does a SCT X4 tuner add?
How Much HP Does an SCT Tuner Add? You might expect to gain up to 120 HP with a diesel engine, up to 50 HP with a naturally aspirated gas engine, and up to 100 HP with a turbo-charged gas EcoBoost engine.Apr 21, 2021
Does SCT X4 come with tunes?
Registered. They both have preloaded SCT tunes, but you have to update them via computer anyhow before you tune truck the first time.Jan 29, 2016
How do custom tunes work?
Custom Tunes A custom tune starts off as a canned tune and through the process of road tuning or dyno tuning, the tuner will adjust the tune for your specific car with your specific modifications.May 31, 2017
How many custom tunes can the SCT X4 hold?
The X4 can hold up to 10 custom tunes on top of its standard canned performance tunes to give you the ability to have tuning for any applications that you find yourself or your vehicle.
Does the SCT X4 come with preloaded tunes?
Registered. They both have preloaded SCT tunes, but you have to update them via computer anyhow before you tune truck the first time.Jan 29, 2016