The NepTune Real-Time Programmable Engine Management System. 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.

Enjoy these great features of the NepTune software:

Beautiful 3D Beveled interface.

User Friendly Toolbars with the options you need most.

Real-Time Datalogging Of Sensor Data, Inputs, Outputs, and ECU Data.

On Board Logging With Lossless Compression To Allow 3 To 5 Times The Regular Amount Of Data To Be Recorded. Offers Up To 12 Hours Of Datalogging Time With Compression Enabled.

Datalog Playback, Save, and Export to CSV.

Datalog Trimming.

Datalog Commenting For Later Review or Sharing With A Tuner.

Graphing Of Sensor Information With Real-Time Values and Live Scrub (Dragging with mouse).

Live Graphing Of Real-Time Sensor Trends.

Direct Serial Logging From LC-1, LM-1, and LM-2 Products (LM-2 currently requires connecting hardware to allow legacy serial connectivity).

Map Trace and Lambda Trace.

24x24 Ignition and Fuel Maps For Precise Tuning.

Dual Tables For Low/High Boost, Different Fuels, or Alpha-N (ITB) Tuning.

Easy Injector Sizing.

Fuel Trims for Cranking, TPS Tip-In, Post Start, and Individual Cylinders.

Rev Limiter with Fuel Cut, Ignition Cut, or Both.

Rev Limits Per Gear.

Launch Control (2-step) With Anti-Lag.

Full-Throttle Shift.

Use The Check Engine Light As A Shiftlight With Different RPM Settings Per Gear.

Idle Adjustments for Idle Speed, Idle Speed vs ECT, and Idle Ignition Corrections.

Air Temp Corrections.

Water Temp Corrections.

Gear Based Fuel and Ignition Corrections.

Access To Many Other Stock Fuel and Ignition Adjustments.

PWM Boost Control With Simple, Boost By Gear, and Gear vs RPM Modes.

Quad Stage Boost Control.

Adjustable Prime Duration At Key On.

Overheat Protection.

Closed Loop Control With Selectable O2 Input, Conditions, and Wideband Support.

Anti-Theft feature requires inputs or a code to be entered with TPS and Brake pedal. Also has a valet/fallback mode with adjustable rev limit.

2 Multi-purpose Outputs With Fuel and Ignition Adjustments.

1 Multi-purpose Output With Multiple Output Settings Based On MPH.

4 Programmable Analog Inputs For Extra Sensors.

And A Lot More!



Satisfaction guaranteed... If you purchase directly from us and you're not 100% satisfied with the NepTune RTP within 20 days you can return your NepTune RTP System for a full 100% refund on the cost of the NepTune RTP System as long as nothing has been damaged on the unit. For trade-ins you'll receive the refund and your trade-in item back.





Compatible with all OBD1 Civic/Integra ECUs except for the P07-Axx VX ECU that uses a 5 wire O2 sensor.