Nissan S15 PlugIn ECUAlphaECU Plug in for Nissan S15 Take complete control of your Nissan S15 with the AlphaECU Plug in. Designed for serious builds, this engine management system provides the stability, headroom, and advanced features needed to push your SR20 or KA24 to the limit without cutting your factory wiring. Designed to interface directly with the factory Nissan harness, this standalone ECU replaces the stock unit. Important Note: This is a "Plug in" system. It
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