Advanced Fuel Dynamics®

Advanced Fuel Dynamics® (14-21) Escalade FlexLink Adaptive Fuel System

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  • Regular price $399.00

Compatible: (6.2L)

2014 - 2021 Cadillac Escalade 

Once the FlexLink system is installed you will need to visit your local tuning shop to have the system activated on your ECU.



The FlexLink E85 flex fuel system for your 2014-20 Cadillac Escalade is a complete ethanol flex fuel system for use with the flex mapping that already exists in your ECU. With FlexLink you can run E85 in your big Caddy and switch from gas to ethanol anytime.

Running E85 will give you more power, cheaper fuel at the pump, lower cylinder, oil and coolant temps and cleaner emissions and zero knock.  Expect a 7-8% wheel HP boost when running E85. 

FlexLink flex fuel kit features:

  • True adaptive flex fuel - run gas, E85 or any blend of gas and ethanol, switch whenever you want to
  • Real time content - with 30 millisecond refresh rate
  • Compatibility with your OE ECU
  • BT Wireless content gauge via the included ProFlex Connect app
  • 5v input and output for custom tuning (if desired)
  • Easy plug and play wiring harness that connects to existing power source under the hood.  

This FlexLink system includes:

  • FlexLink BT Wireless communication module - allows you to view your real time ethanol content via our ProFlex Connect smartphone app for Apple or Android. 
  • Genuine GM fuel content sensor
  • Quick connect OE quality fuel lines
  • Plug and play wiring harness
  • 5v data input and output for data logging and tuning based on both fuel content and fuel temperature.


Install Guide: