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Hondata S300 OBD1 Chipped ECU (complete)

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  • Regular price $899.95
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This product is for COMPETITIVE USE ONLY. This product is for Racing Competition only and is not legal for use in highway or street vehicles or other non-racing competition off-road vehicles. Purchasing this product requires you to sign our Vehicle Compliance Waiver


S300 V3 is the latest plug in module to for Honda/Acura OBD1 Engine computers allowing vastly expanded capabilities and features. Datalogging, real time programming, Bluetooth and engine protection are a few of the s300 features.


Additional features:

  • 8 analog inputs.(datalogging only)
  • 1 digital input. (datalogging only)
  • Additional security to help identify and prevent theft
  • Datalogging memory doubled in size for up to 2 hours recording.
  • Non battery memory backup for greater reliability and longer life.
  • USB and Radio technology connection for speed and compatibility
  • SManager Windows based software for parameter & table editing, calibration uploading and datalogging.
  • Real-time updating of ECU parameters & tables.
  • Built in calibrations for common engine combinations
  • 4 MB memory, 20-240 minutes datalogging
  • Adjustment for different sized injectors, with overall fuel trim.
  • Configurable for any MAP sensor (to 5 Bar and above)
  • TPS based table lookup for ITBs
  • Engine protection from over boost.
  • Expanded fuel and ignition tables to 60 + lbs boost and 11,000 + rpm
  • Multi purpose outputs for nitrous control or similar
  • Supports lambda tracing from a wideband o2 (PLX wideband recommended)
  • PWM output for boost control with fixed or gear based boost.
  • Dual tables for high/low octane calibrations etc.
  • Two analog inputs for wideband, EGTs etc.
  • High and low speed 24 x 20 ignition and fuel tables for correct VTEC tuning
  • Injector size fuel trim
  • Fuel trim for starting, throttle tip in and individual cylinder trim
  • Rev limiter with fuel cut or fuel and ignition cut
  • Launch control with anti-lag
  • Full throttle shift
  • Adjustable VTEC window with load and throttle control
  • Secondary intake runner control
  • Adjustable idle speed
  • Adjustable boost cut
  • Closed loop control
  • Air temperature compensation
  • Water temperature compensation
  • Fuel and ignition correction based on gear
  • A/C shutoff conditions
  • Closed loop
  • Three general purpose outputs for nitrous control, quad boost control or similar
  • There are rectangular frame ECU (US)

Professional Installation is highly recommended. Works with the following ECU part numbers: P06, P28, P30, P72, P74, P75.