Haltech Elite 1500 + Subaru WRX MY99-00 Plug 'n' Play Adaptor Harness Kit HT-150943

The Haltech Elite 1500 with WRX MY99-00 Plug 'n' Play Adaptor Harness Kit delivers comprehensive engine management for first-generation GC8 chassis Subaru WRX and STi models. This kit combines the Elite 1500 ECU with a vehicle-specific harness designed to integrate directly with factory wiring, eliminating the need for splicing or cutting. Ideal for tuners working with modified EJ-series engines requiring precise fuel, ignition and boost control. The plug-and-play design reduces installation time while maintaining a clean, reversible fitment for these iconic Japanese performance platforms.