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VMP X4/SF4 Power Flash Tuner w/ 3 Custom Tunes (11-14 GT, 12-13 BOSS)

Market Price $559.99 You Save 11% ($60.99)
Starting At

$499.00 (each)

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  • Item 398480
  • MPN# 390483

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Features & Details

  • SF4/X4 is the Newest Replacement for the Popular SF3/X3
  • Improves Horsepower, Torque and Overall Performance
  • On Screen Data Logging and Monitoring
  • Reads/clears DTC Trouble Codes
  • Full Color LCD Display with Auto Dim Feature
  • Built-in WiFi for Easy Updates
  • PC/Windows Compatible Only
  • Includes 3 Custom Files from VMP Tuning
  • Includes Datalog Review (If Necessary)
  • Fits 2011-2014 GT and Boss Mustang Models
  • Buy this Tuner & Submit your Mustang's Info Here
  • A VMP Tuning Calibrator will write custom tune files specifically for your Mustang & Mods
  • Load 'em on your Mustang and GO!


Increases Horse Power and Torque. From the factory, Ford programs their vehicles to cater to the needs of the daily driver, not the performance enthusiast who adds aftermarket modifications in search of more power. That is why a custom tune file is so important, by optimizing the air/fuel ratio, adjusting ignition timing and tweaking variable cam timing, a VMP Tuning Custom Tune will squeeze out the extra power your aftermarket performance mods have to offer.

VMP Custom Tunes. When you order a SCT SF4/X4 tuner, you aren't just getting a tuner - you are getting the tuner and 3 custom tunes that are written specifically for your Mustang and your particular modifications by VMP Tuning. VMP Tuning even provides post sale datalog review (if necessary) to assure your Pony is running healthy and strong.

Compact Design. The SF4/X4 Power Flash Tuner measures in at 2.7” wide X 5.5” tall making it much smaller than the original SF3/X3 for easy storage in your center console or glove box. The cord is detachable and there is no battery or power supply needed. It uses the power from your vehicle's diagnostic port or computers USB connection.

Full Color Display. The SF4/X4 Power Flash Tuner features a full color 2-3/4" diagonal LCD screen with user adjustable portrait or landscape modes. The SF4/X4 also has a convenient power saving auto dim feature.

Built-in WiFi. The SF4/X4 Power Flash Tuner is now WiFi-capable meaning you will no longer have to plug it into your PC/Windows computer to receive the latest SCT firmware updates.

Diagnostics. The SF4/X4 Power Flash Tuner can also be used as a diagnostic code reader. Save yourself hundreds of dollars each year by reading and clearing your own trouble codes rather than paying a dealer to do the same. Its as easy as a few simple steps.

On Screen Data Logging and Monitoring. With a full color LCD display, the SCT SF4/X4 Power Flash Tuner makes it EASY to read the Built-In Data Logging or Real Time Monitored Vehicle Data, view popular sensor data such as EGT, Air/Fuel Ratio or any other 0-5 Volt source.

Easy to load; easy to restore. When you load your custom tune on the vehicle, the tuner automatically stores your vehicle's factory settings. To return the vehicle to its factory settings, just plug the tuner back in, select the option to restore the factory settings, and you're done.

Application. This SCT X4/SF4 Power Flash Tuner with 3 custom tune files by VMP Tuning is specially designed to fit the 2011-2014 GT and 2012-2013 BOSS Mustang's equipped with the coyote 5.0L 4 valve V8 engine.

Three Options Available. Option one is for stock Mustangs with or without basic bolt-on upgrade modifications such as a Cold Air Intake, Throttle Body and/or Full Exhaust System. Option two is for Mustangs that are running Nitrous, E85 or have Mild Performance Modifications such as upgraded fuel injectors or fuel pump. Option three is for Mustangs that are running an aftermarket forced induction setup or naturally aspirated models with aftermarket camshafts. Please select your application from the options listed above.

**Please Note: The SCT SF4/X4 Tuner ships blank from AmericanMuscle, the custom tune files will be emailed directly to the end user within 5-7 business days from VMP Tuning.

This product will not ship to addresses in California due to state regulations. Additionally, support will not be provided for tuning for California residents.

Fitment: 2011 2012 2013 2014 Details

What's in the Box
  • (1) SF4/X4 Power Flash Tuner
  • (1) USB PC Interface Cable
  • (1) OBDII Interface Cable
  • (3) VMP Tuning Custom Tune Files
Installation Info
Tech Specs

SCT SF4/X4 Power Flash Tuner Features:

Chip/Handheld: Handheld Custom/Strategy: Custom tunes by VMP Tuning
Memory Size: 4 GB Custom Tunes Held: 10
Year: 2011-2014 GT or BOSS Model: SF4/X4 Power Flash Mustang Custom Tuner
Manufacturer: SCT Special Features: Includes two datalog review from VMP Tuning
Will it fit my Mustang?
  • GT - 11, 12, 13, 14
  • Boss 302 - 12, 13

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