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Hondata modifies standard Honda engine computers (ECUs), adding features and expanding the capabilities of the ECU (e.g. for forced induction). There are 2 basic product categories. The first category includes fully tunable systems for B-series, D-series, H-series and F-series engines. The second includes reflashes and fully programmable systems for K-series engines.
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The s300 version 3 is a plug in module to the OBD1 factory Honda Engine Computer (not included) which vastly expands the capabilities of the factory ECU. Forced induction, datalogging, real time programming, Bluetooth and engine protection are but a few of the comprehensive s300 features.

Designed, manufactured and assembled in the USA.

The Hondata FlashPro is a hardware and software combination that connects from your laptop's USB port to your Honda's diagnostic port.

Hondata K-Pro 4
• Fits inside the ECU
• Made in USA
• KManager Windows based software for parameter & table editing, calibration uploading and data logging.
• Many built in calibrations for common engine combination's
• Most current Version 4 board and software
*Compatible Core ECU Required

Our Hondata S300 package Includes: Complete (new) Honadata v3 S300 unit, with software, & a p28 obd1 ECU (Hondata Unit Preinstalled). FREE Shipping.

Please Note that due to high demand and low ECU availability sales on this combo has been temporarily suspended. We are however still offering the s300 units by themselves with free expedited shipping.

Hondata Traction Control Kit for use with Hondata S300, Kpro, or Flashpro. The traction control kit works by monitoring the antilock brake system (ABS) wheel sensors, and reduces engine output when wheel spin is detected to achieve maximum traction. The included dash mountable switch allows you to select different slip rates on the fly, while the software allows you to fine tune the system to work best with your car and driving style.
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This Hondata CPR kit is for the use of RSX ignition coils with a Hondata s300 ecu on a B series VTEC engine.
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The Hondata 4 bar map sensor is a plug compatible replacement for the Honda factory MAP sensor. It is a direct replacement for the B, D, H, F and K-series Honda engines. This plug in sensor takes less than 60 seconds to install and eliminates the risk of sensor damage that often occurs when attempting to wire in other types of MAP sensors. Settings are found in your Hondata s300/ KPRO unit Parameters under MAP.

The Hondata 4 port boost controller precisely directs pressure to the top and bottom of your waste-gate diaphragm. It allows much lower waste-gate spring pressure for better low gear boost control and perfect high gear, high boost control.

A 10 lb waste-gate spring will enable 50+ psi of boost
Better spool-up and mid range power
Better duty cycle control

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Hondata 2002-2006 RSX-S PRB/PRC* ECU covers are beautiful and precision machined lids that replace your old worn out ECU cover. Part # Lid-clear-KPRO
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Hondata 92-95 Honda / Acura OBD1 S300 ECU covers are beautiful and precision machined lids that replace your old worn out ECU cover. Part # Lid-clear-S300
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The Hondata injector driver allows either the use of high or low impedance injectors without a resistor box either as injectors slaved to the ECU injector output or as staged injectors.
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Our Hondata S300 package Includes: Complete (new) Honadata v3 S300 unit, with software, & a p72 obd1 ECU (Hondata Unit Preinstalled). FREE Standard Shipping.

Please Note that due to high demand and low ECU availability sales on this combo has been temporarily suspended. We are however still offering the s300 units by themselves with free expedited shipping.

This Hondata S300 package Includes: Complete (new) Honadata v3 S300 unit, with software, & a VTEC obd1 ECU (p06 converted to p28 VTEC spec with Hondata Unit Preinstalled). FREE Standard Shipping.

Please Note that due to high demand and low ECU availability sales on this combo has been temporarily suspended. We are however still offering the s300 units themselves with free expedited shipping.

Hondata FK8 Civic Type R fuel system upgrade. Part#

Hondata thrilled to announce the Hondata Civic Type R fuel system upgrade. The upgrade consists of hardware and software components designed to deliver 25-30% more fuel flow and power over the stock fuel system. This system enables the Civic Type R to take the next logical step for a reliable, well engineered and thoroughly tested power increase.

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Hondata FlashPro allows full user tuning and datalogging for your 2013-2015 Accord. It includes Windows based software called FlashProManager.The FlashPro connects from your laptop's USB port to your vehicles diagnostic port to provide live tuning with a variety of calibrations, extensive real time and stored datalogging capabilities. Part# FP-ACRD-US
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Hondata FlashPro allows datalogging and limited tuning for your 2013-2015 Accord. It includes Windows based software called FlashProManager.The FlashPro connects from your laptop's USB port to your vehicles diagnostic port. Part# FP-ACRD-US-CARB
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Hondata FlashPro allows full user tuning and datalogging for your 2013-2015 Accord. It includes Windows based software called FlashProManager.The FlashPro connects from your laptop's USB port to your vehicles diagnostic port to provide live tuning with a variety of calibrations, extensive real time and stored datalogging capabilities. Part# FP-ACRD-US
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Hondata FlashPro allows datalogging and limited tuning for your 2013-2015 Accord. It includes Windows based software called FlashProManager.The FlashPro connects from your laptop's USB port to your vehicles diagnostic port. Part# FP-ACRD-US-CARB-V6
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This is an adapter kit to use the 2007-2008 TL Hondata FlashPro for your 2003-2007 Accord V6 MT.  This allows full user tuning and datalogging for the 2003-2007 Accord V6 MT. Part# FP-ACRD-ADP

Hondata Part# FP-ACRD-US
The FlashPro allows datalogging and tuning for your 2018 + 2.0 turbo Accord. It includes Windows based software called FlashProManager.The FlashPro connects from your laptop's USB port to your vehicles diagnostic port.

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Hondata Part# FP-ACRD-US-CARB
The FlashPro allows datalogging and tuning for your 2018 + 2.0 turbo Accord. It includes Windows based software called FlashProManager.The FlashPro connects from your laptop's USB port to your vehicles diagnostic port.
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Hondata Part# FP-R18-US
FlashProManager.The FlashPro connects from your laptop's USB port to your vehicles diagnostic port to provide live tuning with a variety of calibrations, extensive real time and stored datalogging capabilities.
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Hondata Part# FP-R18-US-CARB
This FlashPro allows datalogging and limited tuning for your 2006-2011 US 1.8 Civic. It includes Windows based software called FlashProManager. The FlashPro connects from your laptop's USB port to your vehicles diagnostic port.

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Hondata Part# FP-R18-US
The FlashPro allows full user tuning and datalogging for your 2012-2015 US 1.8 Civic. It includes Windows based software called FlashProManager. The FlashPro connects from your laptop's USB port to your vehicles diagnostic port to provide live tuning with a variety of calibrations, extensive real time and stored datalogging capabilities.

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Hondata Part# FP-R18-US-CARB
The FlashPro allows datalogging and limited tuning for your 2012-2015 US 1.8 Civic. It includes Windows based software called FlashProManager. The FlashPro connects from your laptop's USB port to your vehicles diagnostic port.
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**Please Note: Due to the current COVID-19 (Corona virus) pandemic Hondata is affected by the California Stay at Home order. This may effect shipments of Hondata Product until this order is lifted. If you are in urgent need of a Hondata product please contact us for availability. Otherwise we will be shipping Hondata orders as expediently as possible.