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© 2018 by Rabid Customs


Rabid Pack Stage 3

The X4 Power Flash handheld performance programmer arrives Pre-Loaded with DYNO Proven tune files that INCREASE HORSEPOWER and TORQUE! The X4 stores up to 10 custom tune files. With a HUGE Backlit display, the X4 makes it EASY to read Real Time Vehicle Data!



  • Built-In Wifi for easy updates

  • Clearing DTCs

  • Data Logging

  • Dual Analog Inputs

  • Easy Restoration Back to Stock

  • Full Color Backlit LCD Display

  • Holds up to 10 Custom Tunes

  • Increases Horsepower, Torque, Throttle Response and even Fuel Mileage!

  • Installs quickly & easily via your vehicle's OBDII port

  • Most popular Ford vehicles supported

  • USB Interface Cable & Livelink Datalogging software included

  • Adjust for common performance bolt-ons such as Cold Air Kits, Exhaust Systems & Gears

Adjustable Options vary for each vehicle and are not available on all vehicles

Auto Start/Stop
Disable auto start/stop.

Axle Ratio
Correct the vehicle speedometer (and fuel efficiency calculations) if you have changed the gear ratio on your vehicle. If no gear ration modifications have been made to the vehicle, then choose the stock setting when the tuner prompts you to choose a gear ratio. This will ensure that no modifications are made to the stock program.

CMCV Delete
Allows you to disable the CMCV (Charge Motion Control Valve) in your vehicles PCM to prevent a Check Engine light and other issues associated with removing the CMCV plates in your vehicle.

Disable DOD
Allows you to disable / enable the Displacement On Demand functions of your vehicles PCM.

Exhaust Y Pipe
Support for Kooks High Flow Y Pipes

Fan Control
Lowers the Temperature at which the Fan turns on.

Front Mounted Intercooler
Adjusts for the usage of a front mounted intercooler

Fuel Injectors
Allows you to adjust for different sized fuel injectors.

Global Spark
Allows addition or removal of timing across all RPM ranges

Grill Shutter
Adjusts calibration to compensate for removal of Grill Shutter

Allows adjustment for Longtube headers

Idle Adjust
Enable and select a value for Engine Idle position. This is a great feature for keeping voltage in the vehicle up while running auxiliary electronics off of the vehicle’s power system.

Intake Airbox
Allows an aftermarket intake to be run on the vehicle without a Check Engine Light. For Intake Kits that require tuning, this will provide a selection of available intake kits.

Jake Brake
Used as an exhaust brake to increase engine braking while coasting towing heavier loads. Helps lower brake temperatures.

Lock in 1-2-3
Locks the converter in 1st, 2nd and 3rd. Aids in engine braking, increases fuel economy, and can be used for drag racing as well.

Locked At CT
Keeps the torque converter locked during deceleration to aid in engine braking. This is less aggressive than the Jake Brake file so it may be ideal for smaller loads. It can be used in conjunction with the Jake Brake as well.

Mass Air Meter (MAF)
Allows you to select from different aftermarket MAF (Mass Air Meters).

Multiple Displacement System (MDS)
Enabling the MDS (Multiple Displacement System) initiates a fuel saving 4-cylinder engine mode and disables additional engine cylinders.

Pedal Response

Rev Limiter
Regulate the highest RPM that an engine can reach before the engine is electronically limited. Increasing the RPM limit is recommended only for racing purposes. One of the most important ways to protect your engine from damage is to keep the RPMs from going too high.

RPM Based Spark
Allows you to Add or Remove Timing by RPM Range. (0-2000)(2000-4000)(4000-8000)

Shift Assist

Sound Symposer
Enable and Disable The Sound Symposer

Speed Limiter
Change the top speed that the vehicle will reach before the engine automatically limits the power needed to go faster.

Super Charger Pulley
Supports aftermarket super charger pulley sizes.

Take Off Assist

Throttle Body
Compensates for aftermarket Throttle Bodies (BBK 65/85/90 MM)

Tire Size
Correct the speedometer if you have changed your tire size from stock.

Torque Reduction
Reduce torque durning shifting (makes shift more firm)

Change or disable the Tire Pressure Monitoring System.

Traction Control
Allows you to disable the vehicles Traction Control without using the button in the vehicle.

Transmission Shift Firmness
Change the shift firmness of an automatic transmission.

Transmission Shift Points
Change the RPMs at which an automatic transmission will change gears.