CopperHeadEFI Install_4.2.3.msi - Copperhead EFI Application
CopperheadEFI Instructions - Operating instructions for the Copperhead application
CopperheadEFI Release Notes - Changes in the versions
ECU Update Procedure - Directions to update the firmware/maps in a CDI or ECU

Live Tuner - Live Tuner firmware, instructions, and sample log file

ECU Maps (EFI) - Maps for all EFI machines
ECU Firmware (EFI) - Firmware for all EFI machines

CDI Maps (non-EFI) - Maps for all non-EFI machines (carburetored) 
CDI Firmware (non-EFI) - Firmware for all non-EFI machines (carburetored) 


NOTE:
The CopperheadEFI application MUST be installed on your computer to load and maps or firmware files, or to view the sample log file.