SCT Performance

SCT Performance is a pioneer in handheld vehicle tuning and custom calibration tools for gas and diesel vehicles. Trusted by enthusiasts, tuners, and performance shops worldwide, SCT delivers proven solutions that unlock power, improve drivability, and give drivers control over key vehicle parameters.

SCT Performance specializes in handheld programmers, tuning devices, and calibration tools designed for Ford, GM, and Dodge platforms. Products like the X4 and Livewire series allow users to load custom tunes, adjust performance settings, read and clear diagnostic trouble codes, and monitor critical engine data—all through an intuitive, plug-and-play interface.

Engineered for reliability and flexibility, SCT devices support both performance and practical use cases, including towing, street driving, and track applications. With support for custom tuning from professional calibrators, SCT Performance products are a go-to choice for drivers looking to safely optimize horsepower, torque, throttle response, and overall vehicle behavior.

Browse our full selection of SCT Performance products to find tuning and programming solutions built for precision, control, and real-world results. Whether you’re upgrading a daily driver or dialing in a high-performance build, SCT provides the tools trusted across the aftermarket.