SCT X4 Power Flash Programmer Mustang 2015-2022

96% of 100


  • Proudly Made in the USA!
  • Dyno-Proven Performance
  • Offers Horsepower Gains
  • Holds Up to 10 Custom Files
MSRP $519.00
You save 23%

SCT X4 Power Flash Computer Programmer for 2015, 2016, 2017, 2018, 2019, 2020, 2021, and 2022 Mustangs.

Don't let the modest, factory tune in your 2015-2022 Mustang hold you back from experience its true potential. Install the X4 Power Flash Computer Programmer (P/N: X4/7015) from SCT for unbelievable performance gains!

From the factory, your 2015-2022 Mustang's computer is calibrated for the general public, ultimately designed with the average driver in mind. This not only leaves valuable horsepower and torque hidden inside your Mustang, but it also makes for a less than thrilling driving experience. The all new X4 Power Flash Computer Programmer from SCT unlocks your Mustang's hidden performance potential by optimizing the computer for maximum horsepower and torque, improved throttle response, solid shifts and even increased fuel mileage.

SCT X4 Features and Benefits: 
- Works with 2015-2022 Mustang Models Meant for North America Distribution
- Pre-Loaded with Dyno Proven, Track Tested Performance Tunes for Serious Horsepower Gains 
- Monitors your Mustang's PCM Data Live in Real-Time on Screen or Using SCT's LiveLink Data Logging Software
- Holds up to 10 Custom Tune Files for Maximum On-Device Selection for any Occasion
- Full Color LCD Display with an Auto Dim Feature and User Adjustable Portrait/Landscape Modes
- Compact, Handheld Design Measuring 2-3/4" Wide x 5-1/2" High

Please Note: This device is developed and supported for vehicles intended for North American distribution ONLY.

Additional SCT X4 Highlights:
- Reads/Clears Diagnostic Trouble Codes
- High Speed Data Logging and Monitoring
- User Adjustable Vehicle Parameters and Tune Protection *(Varies by Model)
- Near Infinite Adjustability Via a Custom Tune File *(NOT Included)
- Stores and Backs Up Factory Calibration
- Dual Analog Inputs for Connectivity
- Includes USB Interface Cable
- Installs Quickly and Easily

For most models, the SCT X4 Power Flash Programmer comes out of the box pre-loaded with dyno proven tune files that significantly increases performance. Programming your Mustang with one of SCT's pre-loaded performance or fuel economy tune files is incredibly easy. Simply plug the OBDII connector into your Mustang's OBDII port, choose the pre-loaded tune file using the easy to navigate menu and within minutes the X4 programs your EcoBoost, V6, GT or GT350 Mustang!

Please take the time to download SCT’s LiveLink and Updater Software. The LiveLink software can be downloaded HERE, this app is used to view, data log, record and playback your vehicle's PCM data on a laptop computer. The Updater Software can be downloaded HERE and lets you update your device's Firmware, Tune Revision or to load Custom Tunes onto your device.

Vehicle Fitment:
- 2015-2017 3.7L V6 Mustangs
- 2015-2022 2.3L I4 EcoBoost Mustangs (Pre-Loaded Tunes NOT available for 2022 models)
- 2015-2022 5.0L V8 GT Mustangs (Pre-Loaded Tunes NOT available for 2021-2022 models)
- 2016-2020 5.2L V8 Shelby GT350/GT350R Mustangs (Tuning Support is NOT available for 2015 models, Pre-Loaded Tunes NOT available for 2020)
- 2020 5.2L V8 Shelby GT500 Mustangs (Pre-Loaded Tunes NOT available for 2020 models - No 2021-2022 Support)
- 2021 5.0L V8 Mach 1 Mustangs (Pre-Loaded Tunes NOT available for 2021 models - No 2022 Support)
*NO 2022 Pre-Loaded Support at this time, Custom Tuning ONLY on 2022 EcoBoost/GT models (NOT Included).

California Residents: Proposition 65 Warning

Note: This item is not CARB (California Air Resource Board) exempt and is not legal for sale or use in the state of California.

Installation Difficulty


Novice skill is required for this installation.

Vehicle Fitment

This product will fit the following Mustang years:

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