Haltech Nexus S3 ECU Only

Haltech’s Nexus S3 ECU takes the art of engine calibration to a whole new level. Featuring a robust environmentally sealed waterproof case, drive by wire throttle control, intake and exhaust cam control, short term and long term map learning, dual channel knock control, and much more, the Nexus S3 ECU provides engine calibrators the tools they need to get the job done right. Alongside the Nexus S3 ECU is the NSP Tuning software that brings levels of functionality and user friendliness never seen before in an engine control package. Together they offer true cutting edge technology to tuners and performance enthusiasts worldwide.