This compact package fits in a standard socketed ECU and can be used in JDM small box ECUs as well as P30s and P72s with a knock board.

Included in the package is one Demon unit and a software license for the NepTune tuning software.

On-Board Logging is working and being finalized for these units. It will be a FREE update to everyone who has a Demon!

For NepTune RTP features and compatibility please visit: NepTune RTP Features

Check out the install video to see how easy it is to get setup and start tuning!