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Bully Dog’s new BDX handheld performance tuner is specially designed so you always have the edge you need to tackle tough terrain or pull a heavy payload. This sleek new handheld combines flash-and-go convenience with the ability to download the latest product updates via the cloud. BDX’s built-in Wi-Fi keeps you current on groundbreaking new features enabling you to run our most advanced Dyno-proven calibrations as well as the latest firmware and up to 20 cutting-edge custom tunes. Track and adjust performance in style with an easy-to-use push-button interface on-screen virtual gauges and a full-color display. BDX is built to adapt to your changing needs so you can rely on your vehicle to reach down for the added horsepower and torque it needs to conquer any challenge.