What is the Haltech NEXUS S2 (ECU Only)?

The NEXUS S2 (ECU Only) is the central engine control unit that manages your engine's fuel, ignition, and other parameters. This specific product is the ECU itself, intended for custom installations where other components will be added to complete the system.

What vehicles does the Haltech NEXUS S2 fit?

This ECU is designed for custom applications and is not a direct bolt-on for specific factory vehicles. It requires professional installation and tuning to integrate with your engine and vehicle's existing systems.

What is included with the Haltech NEXUS S2 (ECU Only)?

This product listing is for the Haltech NEXUS S2 engine control unit (ECU) only. It does not include wiring harnesses, sensors, injectors, or any other components needed for a complete engine management system.

Haltech NEXUS S2 ECU HT-212000

Name: Haltech NEXUS S2 (ECU Only)
Brand: Haltech
SKU: haltech-haltech-nexus-s2-ecu-only-t14-802967
Price: 1952.64 USD
Availability: InStock

Haltech NEXUS S2 (ECU Only)

$1952.64

Only 9 left in stock

Haltech NEXUS S2 (ECU Only) HT-212000. Advanced engine control unit for custom tuning.

Key Features

Haltech NEXUS S2 ECU unit only for custom engine management.
High-speed processor for advanced tuning strategies.
Extensive I/O for managing sensors and actuators.
Supports multiple communication protocols for flexibility.
Includes advanced data logging capabilities.
Well-built construction for reliability in demanding conditions.

Secure CheckoutFast Shipping631-982-0042

Product Details

The Haltech NEXUS S2 is a powerful engine control unit designed for serious custom tuning applications. This is the ECU unit only, meaning it’s the brain of your engine management system, ready to be integrated into a custom setup. If you’re building a high-performance engine or undertaking a complex swap where precise control over fuel, ignition, and other engine parameters is critical, the NEXUS S2 offers the advanced capabilities you need.

This ECU is built with robust internal components and features a high-speed processor capable of handling complex tuning strategies. It offers extensive I/O (inputs and outputs) to manage a wide range of sensors and actuators, allowing for fine-tuned adjustments to optimize performance, efficiency, and drivability. The NEXUS S2 is designed to be a flexible platform, supporting various communication protocols and offering advanced features like data logging and multiple engine maps. Its well-built construction ensures reliability even in demanding environments, making it a solid choice for custom builds where performance and control are paramount.

Please note that this unit is not CARB approved and cannot be shipped to California. Ensure you consult with your tuner or installer to confirm compatibility with your specific vehicle and build requirements, as this is the ECU unit only and requires supporting components for a complete engine management system.