Create and load custom tunes onto your Smarty Programmer with the Smarty UDC Dongle. This tuner dongle gives you unfettered access to Smarty’s User Defined CaTCHER software to fine-tune your rail pressure, timing, torque management and more. 1-Year Limited Warranty.
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Only you can add a tune to your car's brain, anything else is blasphemy. With programmer & tuner accessories, keep tuning at your fingertips and unwanted hands off of the canvas. You're guaranteed to have the final brush strokes on your custom-tune masterpiece.