Cadillac STS 3.6L Performance Tune includes an Tuning module and software license for your vehicle. Bring your STS to life with the proprietary performance software. Adds approx. 16-19 WHP and approx. 30+/- WTQ. All software is designed and engineered to enhance the performance, efficiency and drivability of your vehicle to achieve the optimal balance of power, reliability and driver experience. All performance tuning requires a minimum of 91 Octane fuel. Over 20 years of manufacturer level ECU software design backs our brand. Power. Performance. Proven.
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