Haltech Nexus S3 Plug 'n' Play Adapter Harness Kit - Subaru WRX MY99-00

The Haltech Nexus S3 Plug 'n' Play Adapter Harness Kit delivers seamless integration for MY99-00 Subaru WRX GC8 vehicles transitioning to Nexus S3 engine management. This purpose-built harness eliminates the need for cutting or splicing factory wiring, utilising original connectors for straightforward installation. Designed to maintain OEM reliability while unlocking advanced tuning capability, it streamlines the conversion process for workshops upgrading their clients' platforms. Complete kit includes all necessary connections for a professional, reversible installation.