Harley Magazine, Motorcycle Reviews, Motorcycle News, Harley News, American Iron Magazine. Screamin Eagle Smart Tune PRO Automatic Tuning Module Tuning Ignition. Smart Tune Pro works with the Screamin Eagle Pro Street Tuner to automatically tune your bike for the combination of performance components, temperatures, altitude, and vehicle load conditions you are operating in. You just install the upgraded wideband oxygen sensors in the exhaust headers, download the calibration that our Screamin Eagle engineers have developed as a starting point, then simply drive down the road and let Smart Tune Pro do the work for you. Constantly monitors the operating parameters of your motorcycle, and automatically adjusts the bikes Electronic Control Module ECM to maximize performance in most riding conditions. Utilizes wideband O2 sensors that read oxygen levels in the exhaust stream to determine the optimum airfuel ratio, spark advance and timing your bike needs at this very moment. Incorporates the data and automatically makes real time tuning adjustments to the ECM. Wideband sensors can read and help adjust tuning throughout the part throttle cruising and full throttle acceleration operating range. Kit includes the Smart Tune Pro module with plug in wiring harness, two M1. O2 sensors, and access to free software updates, future calibrations and free on line training modules. Screamin Eagle Pro Street Tuner and model specific installation hardware is sold separately. RB Racings LSR 21 exhaust systems are the most powerful exhaust you can buy for your HarleyDavidson motorcycle. Find choppers for sale at ChoppersForSale. Pending Regulatory Approval. Terminator 2 Judgement Day Game more. Out Crack.