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Lightweight Haltech Nexus S3 Ecu + Plug 'n' Play Adapter Harness Kit - Honda Obd-i Series [hwxjt6fU]

$89.99 $287.99 -69%

Haltech Nexus S3 ECU Upgrade KitAre you ready to take your Honda OBD-I vehicle's performance to the next level? The Haltech Nexus S3 ECU + Plug 'n' Play Adapter Harness Kit is the ultimate solution for enthusiasts seeking a seamless and powerful upgr

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Haltech Nexus S3 ECU Upgrade Kit

Are you ready to take your Honda OBD-I vehicle's performance to the next level? The Haltech Nexus S3 ECU + Plug 'n' Play Adapter Harness Kit is the ultimate solution for enthusiasts seeking a seamless and powerful upgrade. This kit is designed to replace your factory ECU, offering a significant boost in both performance and functionality. With its superior processing power and advanced features, the Nexus S3 is the successor to the esteemed Elite 2500, ensuring that your vehicle operates at its peak potential.
  • Superior Processing Power: The Nexus S3 combines the classic functionality of the Elite 2500 with the latest Nexus platform technology, providing lightning-fast processing and precise control.
  • Comprehensive Features: From 8 peak/hold injector drivers to a wideband controller and CAN ports, this ECU is equipped with everything you need to fine-tune your vehicle's performance.

Plug 'n' Play Convenience

Upgrading your ECU has never been easier with the Haltech Plug 'n' Play Adapter Harness Kit. This kit is designed to work seamlessly with your factory harness, allowing for a quick and straightforward installation. The adapter harness directly connects to your Haltech ECU and features factory connectors that plug directly into your vehicle's harness. In just a few hours, you can be up and running with improved performance and efficiency.
  • Simple Installation: The quick start guide provides step-by-step instructions, ensuring a hassle-free installation process.
  • Wide Compatibility: This kit is specifically designed for Honda OBD-I B-Series 92-95 Civic, Integra, and Prelude models, as well as 90-95 Accord, with manual transmission only.

Unleash Your Vehicle's Potential

With the Haltech Nexus S3 ECU and its extensive list of features, you can unlock a world of possibilities for your vehicle. From advanced control systems like 4D Closed Loop Boost Control and Closed Loop CO2 Control to on-board Wi-Fi and datalogging capabilities, this ECU offers unparalleled performance and tuning options. Whether you're looking to improve throttle response, increase power, or optimize fuel efficiency, the Nexus S3 has you covered.
  • Powerful Performance: With features like Multi Stage Fuel Injection and 4-sensor variable cam control, you can extract the maximum performance from your engine.
  • Advanced Tuning: The on-board Wi-Fi and datalogging allow for precise tuning and monitoring, ensuring optimal performance in all conditions.

What Our Customers Say

December 31, 2025

Absolutely no complaints!

This has been a very positive and rewarding purchase.

- Eta_Shopper.

December 31, 2025

Absolutely no complaints!

The product’s performance has been consistently excellent.

- Ulysses V..

December 31, 2025

Absolutely no complaints!

The product has a great, ergonomic grip.

- ErgoFan.

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