
The X4 features an all-new interface with advanced firmware that makes all of the device's functions operate quickly and even allows the screen to rotate with the tuner's orientation, much like modern smart phones. Despite the huge screen, the device itself is actually smaller, lighter, and more compact than SCT's older tuners and comes with a removable cord for much easier storage. The X4 features a huge, clear full-color LCD screen. With 3 custom tunes from 5 Star Tuning tailored to your Super Duty's specific performance parts, we can dial in the perfect settings to get your truck running at peak performance. This technologically advanced and ergonomic handheld tuner lets you change your Super Duty's performance for more horsepower, torque or better fuel economy when you need it.

With the SCT X4, you have the control of your Super Duty's performance at your finger tips.

Gain up to +90 HP and +170 lb-ft of Torque.
