The Haltech Elite 2500 ECU combined with a Basic Universal Wire-in Harness provides a powerful and adaptable solution for custom EFI applications. Designed for high-performance engine builds, swaps, and dedicated race vehicles, this kit offers unmatched flexibility and control, making it ideal for professional tuners and performance enthusiasts alike.

Important Emissions Notice:
This product is intended for sanctioned off-road/competition use only and is not legal for use on public roads or highways unless a regulatory exemption applies.

Key Features:

• Suits: Universal 1–12 cylinder or 2–4 rotor EFI applications

• Includes:

  • Haltech Elite 2500 ECU with DBW and Race Functions

  • Basic Universal Wire-in Harness (unterminated)

  • USB programming cable

  • Quickstart Guide, Spec Sheet, and Wiring Diagram

• NOT CARB LEGAL

Harness Overview:

• Designed for custom builds, swaps, and race applications

• ECU connectors on one end; color-coded, labelled unterminated wires on the other

• Follows included wiring diagram for efficient, confusion-free setup

• Does not include fuse or relay box

ECU Highlights:

• IP67-rated waterproof case

• Supports:

  • 1–12 cylinder or 2–4 rotor engines

  • Drive-by-wire (DBW)

  • EFI conversions with multiple variable camshafts

• Sequential, staged, semi-sequential, or batch injection

• 8 fuel and 8 ignition outputs

• 12 digital outputs, 10 analog inputs, 4 pulsed inputs

• 45 channels of CAN-based I/O expansion

• USB connectivity with NSP Calibration Software

Advanced ECU Functions:

• Closed-loop O2 control (dual bank), flex fuel, DBW

• Variable cam and idle speed control (BAC or stepper type)

• Knock control, per-cylinder tuning, 4D tuning maps

• On-board and laptop-based data logging

• Wideband O2 and EGT support via CAN

• Full engine protection with programmable limits

Race-Oriented Features:

• Launch control, anti-lag (static and rolling), flat shift

• Nitrous control (up to 6 stages), sequential turbo support

• 4D boost control with 14 user-definable corrections

• Timer functions, trans brake, torque management (optional upgrade)

• Traction control using axle or wheel slip mapping

Applications:
Recommended for 4, 6, 8-cylinder or 2, 3, 4 rotor engines in high-performance, DBW-enabled setups or EFI conversions requiring a universal wire-in solution.

Brand: Haltech
SKU: HT-151302