If your part is eligible for our Buy Parts From Me Get Tunes for FREE program, click here for details.
Works with most 1999-2014 GM Vehicles.
If you would like a tune for both 93 and 91 Octane please choose the option for it above. One tune is included for simple bolt-on’s free of charge for either 91 or 93 Octane.
The SCT X4 Power Flash unlocks your vehicle’s hidden performance by optimized your vehicle’s computer for maximum horsepower, torque, increased throttle response, firmer shifts and even increased fuel mileage!
Built-In Wifi For Easy Updates:
Built-in WIFI connectivity attaches to your local wireless network for easy device updates.
Full Color LCD Display:
Full color LCD screen with auto dim feature and user adjustable portrait/landscape modes.
Holds 10 Custom Tunes:
Holds up to 10 custom tune files for maximum on-device tune selection
Logging & Monitoring:
Monitor your vehicle’s PCM data live in real-time on screen or using SCT’s LiveLink Data Loggin Software.
Styled after our popular X3 programmer, the new X4 is smaller and more compact. (2.75″ wide x 5.5″ high)
Full Color LCD Screen
Smaller, Compact Design
Logging & Monitoring Capabilities