Complete Tuner and 5-Star Custom Tune Package
The huge 6.8L V10 powering your F250 or F350 Super Duty is pretty impressive, and while it's not as prone to as big of gains as its diesel counterparts, there's a bunch of extra horsepower and torque lurking within its programming that our friends over at 5-Star Tuning are more than happy to unleash for you. 5-Star's custom tuning gives your 6.8L V10 noticeable gains in performance and drivability, making your gasoline-powered Super Duty feel like a whole new truck. 5-Star's tuning comes packed into one of SCT's X4 Handheld tuners which have a ton of features for tuning, monitoring, logging, and electronic maintenance, giving you a potent tool for keeping your Super Duty performing at its very best.
Advanced and Ergonomic Handheld Tuning Device
The SCT X4 is one of the most ergonomic, advanced, and easy to use custom tuning devices on the market today, and allows you to easily and quickly upload the 5-Star custom tune of your choice straight to your truck's Powertain Control Module. The X4 has a large, full-color screen and easy to use control buttons that allow you to quickly cycle through its menus and options to find whatever you need. The tuner can even serve as a handy garage tool thanks to its ability to read and clear engine codes and datalog engine running information to hep you pinpoint problems before they become disasters. The X4 comes with both an OBD-II cable for the device and a USB cable for your home PC for downloading new tunes and firmware updates from the internet. You can also purchase SCT's handy X4 windshield mount to help transform your X4 into an effective vehicle monitoring device. The SCT X4 handheld tuner takes everything that was great about the older X-Cal 3s and SF3s and puts it all in a faster, better, and easier to use interface that makes tuning, logging, and monitoring your vehicle's performance easier than ever. The X4 features a huge, clear full-color LCD screen. 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 an all-new interface with advanced firmware that makes all of the device's functions much faster than the older tuners and even allow the screen to rotate with tuner's orientation, much like modern smart phones. The buttons on the X4 are larger and more responsive allowing for quick, easy navigation of the X4's menus and submenus. The tuner comes with an OBD-II cable for hooking into your vehicle and features built-in WiFi that allows you to wirelessly download new tunes and updates from a computer on you network. If you don't have a WiFi network, the X4 also comes with a standard USB cable for hooking to your home computer. The X4 doesn't just tune your 6.8L F250 or F350, it can also read and clear DTC codes, datalog engine running information, and display a wide variety of gauges on its large screen which makes it an effective vehicle monitor.
Improved Transmission Function, Awesome Power Gains, and Improved MPGs
5-Star's tunes turn up your 2005 to 2016 Super Duty 6.8L's power by adjusting its fuel curves, ignition timing, fan control, and a ton of other variables so that your aggressive F250 or F350 build makes huge amounts of horsepower and torque. 5-Star's custom tuning even takes into account your truck's tire size, drivetrain, and axle ratio so that you Super Duty operates perfectly with your choice of tune. 5-Star's custom tunes are available in several different flavors for 87, 89, 91, or 93 octane gasoline to give you a huge variation in options for your truck. 5-Star's Economy tunes adjust power levels and transmission function so that your truck gains back some MPGs during city driving without sacrificing power. 5-Star's Performance/Tow tunes greatly improve power levels and have fast and firm shifting with longer gear holding that makes them perfect for towing applications and for aggressive street driving. Off-Road Exhaust Systems:
5-Star can no longer provide custom tuning for off-road exhaust systems that delete catalytic converters. 5-Star can only tune for catted exhaust systems. However, 5-Star WILL NOT disable your rear oxygen sensors, which may result in a check engine light.