Haltech
Haltech Nexus S3 Plug 'n' Play Adapter Harness Kit - Mazda MX5 NA
$3955.00
Recommended retail, GST inclusive.
Prices may change without notice — supplier, freight, exchange-rate and government import charges move with market conditions.
SKU: HT-213316
Fitment: Mazda, Mazda MX5
Shipping: $30.00 flat (AU) — consolidated to one charge per supplier at checkout.
The Haltech Nexus S3 Plug 'n' Play Adapter Harness Kit delivers seamless integration between your Mazda MX5 NA and the Nexus S3 ECU platform. Designed to eliminate wiring modifications, this complete adapter harness maintains factory plugs while unlocking full standalone engine management capabilities. Ideal for workshop environments where turnaround time and reliability matter, the kit preserves the original loom integrity while enabling precise fuel, ignition and sensor control. Engineered specifically for NA-chassis MX5 models, it supports professional tuning without compromise to factory-level build quality.
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