Fits: 1999-2016 GM Sierra or Silverado w/ 6.6L Duramax
The SCT X4 is one of the easiest ways to crank up your horsepower, boost torque and enhance throttle response.
Create and store up to 10 custom tunes optimized for your particular driving style
Offers a wide range of adjustability to critical vehicle parameters, including rev limiter, shift points, idle speed and more (varies by vehicle)
- Increases fuel efficiency when you’re not pushing the pedal to the metal
- The SCT X4 Power Programmer features a smaller, more ergonomic design compared to the X3
- Easy-to-read full color LCD screen that runs in landscape and portrait modes
- Auto-dimming for optimal contrast night and day
- Logs and displays PCM data in real-time while you drive, or review your runs at home using SCT’s LiveLink software
- Connects to your computer via built-in WiFi for easy updating
- Equipped with two analog inputs
- Measures 2.75” by 5.5”
- Street legal in all states except California
Packed with dyno-proven tunes tailor-made for your ride, the SCT X4 Tuner unleashes your full performance potential. But that's just the beginning. With full control over a wide range of critical engine parameters, you can create and store up to 10 custom tunes for any situation, from towing trailers up steep grades to passing slowpokes on the highway.
You don't have to get your hands dirty installing the SCT X4 Flash Tuner. Just plug it into your OBD-II port, follow the on-screen prompts and you're ready for action. Plus, it doubles as a digital gauge set, giving you real-time readouts of all your key speed stats. And with WiFi built in, you can update your X4 without ever connecting it to your PC. It even comes with a 1-Year Warranty.
Part Number: 7416