GJP IO Box Download (WRX / STI)

This page applies for Flex Fuel kits, for the wrx/sti 08 – 21. (SCROLL DOWN FOR FUTHER INFORMATION)

WRX/ STI 08-21 Instructions:

GJP IO BOX Install WRX/STI 08-21 (Flex Fuel) V1.0 Instructions

FIRMWARE for IO Box:

NOTE: all boxes are shipped with the latest firmware. Only flash if we ever require it.

Click here for video on how to flash firmware on the IO Box

Download computer app:

GJP_FlashDownload

Firmware: 2.0.8

The following changes have been made:

  • Added stability across our database for multi platform firmware including for this platform.
  • added COBB and ECUTEK compatibility
  • Bug fix for sleeping module
IO_BOX_WRX_CCC_V2_0_8Download

Troubleshooting codes: