GJP IO Box Download (WRX / STI)
This page applies for Flex Fuel kits, for the wrx/sti 08 – 21.
WRX/ STI 08-21 Instructions:
GJP IO BOX Install WRX/STI 08-21 (Flex Fuel) V1.0 Instructions
FIRMWARE for IO Box:
Click here for video on how to flash firmware on the IO Box
Download computer app:
Firmware: 2.0.6
The following changes have been made:
- Added stability across our database for multi platform firmware including for this platform.
- added COBB and ECUTEK compatibility