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Vehicle-specific adapter harnesses are designed to plug directly into the OEM wiring loom, eliminating the need for lengthy rewiring or reterminating. This results in a quicker and more straightforward ECU upgrade process, allowing you to focus on fine-tuning your engine's performance. The Haltech Elite 1000 and Elite 2500 ECU provide unparalleled flexibility and customization capabilities, giving you the edge you need to optimize your vehicle's performance.