Product Summary

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  • This is a new item in factory packaging we will no longer be carrying or stocking

Need To Know

Ineligible for Return

Contains items that cannot be returned


The X4 Power Flash arrives pre-loaded with dyno proven tune files that increase horsepower and torque! This product does not support any changes to your vehicle's emission system. With a huge backlit display, the SCT X4 Power Flash makes it easy to read the real time vehicle data, view popular sensor data such as egt, air/fuel ratio or any other 0-5 volt source!

Adjustable Options:

  • Axle Ratio
    • Correct the vehicle speedometer (and fuel efficiency calculations) if you have changed the gear ratio on your vehicle
  • Speed Limiter
    • Change the top speed that the vehicle will reach before the engine automatically limits the power needed to go faster.
  • Transmission Shift Firmness
    • Change the shift firmness of an automatic transmission
  • Global Spark
    • Allows addition or removal of timing across all RPM ranges
  • 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.
  • 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
  • Tire Size
    • Correct the speedometer if you have changed your tire size from stock