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Hondata, Inc.
Private Company
Industry Automotive
Founded 1999
Headquarters Torrance, California, United States
Products Honda/Acura ECU Modifications

Hondata, Inc. is an American corporation that specializes in the modification and reprogramming of certain Honda and Acura engine control units (ECUs). Its products are popular with certain members of the import scene concerned with engine swapping and tuning. Additionally, Hondata is responsible for ECU tuning in the Ariel Atom.



The k100 is a circuit board added to an applicable ECU that allows it to be reprogrammed by a Hondata dealer. The product is no longer available in North America but is still available in Europe. It is not customizable by the purchaser and can only be tuned by a Hondata dealer.


K-Pro is a circuit board added to an applicable ECU that allows it to be reprogrammed. With the use of the Windows program KManager, the product also allows data logging, some engine diagnostics and reprogramming by the purchaser via a USB port.


Hondata offers a one-time programming service for certain ECUs with a tune that they have developed to provide better performance. Reflashes are currently available for the Acura RDX, Acura RSX, Acura TSX, Honda Civic SI, and Honda S2000. The company also offers upgrades to the "race" tune for use with certain models of Jackson Racing superchargers.


The s100 is a base Hondata system which offers the tunability as the s200 without the additional options (datalogging, 3-step, g-sensor) that the s200 offers.


The s200 is an advanced version of the s100. The s200 system consists of an interface box which connects to a modified stock ECU. The s200 replaces the Stage 2/3/4 systems.

s200 has now been discontinued.


The s300 has all the functions of the s100 and s200 with all the added goodies. Forced induction, datalogging, real time updating of parameters, engine protection are but a few of the s300 features. The ECU can be reprogrammed using the free software provided from Hondata.

The s300 fits in the rectangular ECU box of the USDM models. However, for the square box JDM model ECU's, the s300j is provided.


The Hondata FlashPro is a hardware and software combination that connects from your laptop's USB port to your 2006- 2010 Honda Civic Si, 2006-2010 Honda Civic R18 (Standard Transmission), Acura RDX, Honda S2000, or Civic Type R's diagnostic port. The Flashpro is also compatible with region specific cars (Mexico, Canada, Europe, Japan). This system is Windows XP/Vista/7 compatible. The software will also work on Intel based Macs running Bootcamp. Has been extensively tested and works well. Parallels has been tested with no problems found to date.

It enables you to tune your engine computer for:

Intakes Headers Exhausts Camshafts Turbochargers Superchargers

The FlashPro Manager software comes with 56 built in starting calibrations for many of these combinations.

The FlashPro has datalogging capability.

The Hondata FlashPro is marketed as a complete engine management system and is designed, manufactured and assembled in the USA.

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