Audi Q5/SQ5 Engine ECU Upgrade

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    Audi Q5/SQ5 Engine ECU Upgrade

    APR's Performance Lineup for Audi Q5 and SQ5 vehicles.

    Transform your vehicle with our Engine Control Unit (ECU) Software Upgrades. We optimize the factory engine management system to take full advantage of the engine's capabilities for large leaps in horsepower and torque, along with added features to make the driving experience more exciting.