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The Torque Solution PNP speed-density adapter harness enables plug-and-play speed-density conversion for Subaru WRX (2008–2014) and STI (2008–2021) models. It adapts factory connectors to a speed-density setup, providing a direct-fit wiring interface intended to simplify installation of aftermarket sensors and modules without requiring custom connector fabrication.
Torque Solution PNP Speed Density Adapter Harness Subaru WRX 08-14 / STI 08-21
