Ask the first Question Direct-to-You. This BDX Tuner will deliver dyno-proven, expertly-developed tune files, developed by experts, directly to you to unlock your Mustang’s highest potential. It has a sleek design, push-button interface, full-color display, data logging and monitoring, and gauges that are customizable to help track and monitor the data that's important to you. Customized to Your Standards. You can choose to select from the preloaded tuning levels or you can load up to 20 custom tune files from our network of custom tuning dealers to improve your horsepower and torque. The tuner features built-in Wi-Fi allowing for direct-to-device updates and custom tune delivery. A number of vehicle functions including timing, rev limiter adjustments, and wheel and tire size calibration can be customized to your specific standards.