The Elite ECU Plug'n'Play Adaptor Harnesses are designed for sanctioned off-road/competition non-emissions controlled vehicles only. These harnesses are engineered to provide a seamless integration with your vehicle's engine management system, ensuring optimal performance and reliability. With a range of options available, you can choose the perfect harness for your specific needs. Please note that it is the responsibility of the installer and/or user of this product to ensure compliance with all applicable local and federal laws and regulations.