Expired Turbo Transformer Boost Controller. Simple, Reliable & Fun!

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Mike @ XPH

Platinum Vendor
Nov 18, 2016
Las Vegas
I had the chance today to try the Turbo Transformer in my car, and I'm very impressed!

It's a very simple piggyback with only two sensors to connect. It'll take a few minutes to install. One of its best features is Bluetooth capability that allows you to use the TT app to change maps and settings.

I took a few screenshots of the app,and I figured i would show you how it works.

  • Ignition on , engine OFF
  • Open the Turbo transformer Bluetooth app
  • Select connect
  • Click on settings, then select Zero to calibrate the unit (you only need to do this step once. No need to calibrate the unit every time you turn on the car)

Base PSI:
This is the PSI level at which the tuner is active. when your boost is below this PSI, the unit is not active and the car is running at stock power

Delta PSI:
This is the maximum amount of PSI the unit will be adding to stock. Its set to +2 PSI by default but can be increased to +4 PSI (please use with caution)

Slope (Rate):
  • This value dictates how fast you want the unit to add boost
  • Slower Boost increase will result in a smoother power delivery
  • Faster boost increase will result in maximum power and responsiveness

  • The X axis is your stock boost. The Y axis is what the ECU is reading
  • The grey line is stock power (X and Y will always be equal)
  • The white line is your current map
  • The red line is your custom map

Power Modes

  • Power Default
  • Max Eco
  • Hybrid
  • Custom

Power Default

  • The default map is +2 PSI
  • When X is 16 PSI, Y is 14. This means when you car is pushing 16 PSI, your ECU is reading 14 PSI. It will add 2 more PSI to get to the 16 PSI target boost resulting in an actual PSI of 18.
  • Note: the tuner is not active till boost reaches a set PSI value (Base PSI). In this case its 11 PSI

Max Eco
  • This map is the opposite of default power
  • The ECU read value is higher than actual boost, which results in the ECU lowering the PSI

  • This is a very unique and interesting map.
  • Its on ECO settings when boost is lower than your base PSI & on Default Power settings once boost exceeds your base PSI


  • In this map, you get to control the base PSI, delta PSI and slop rate
  • Please use with caution
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