2009-2014 GMC Yukon 5.3L Custom Tuning

Black Bear Performance offers our AutoCal custom tuning service for your 2009-2014 GMC Yukon 5.3L 15-20hp gains are common out of this 5.3L engine.  Combine that with improved shift patterns, towing capabilities, throttle response and even fuel economy in many cases and you'll have what feels like a whole new vehicle! Additional service offerings include: VATS Delete AFM Delete Torque Management Modification/Removal Considerable Shift and Torque Converter Improvements Tire/Gear Change Calibration Speed and Rev Limiter Increase Accommodation of Most Modifications (Internal engine modifications, superchargers, turbochargers*, upgraded transmissions, etc). All 2007+ 5.3Ls owners are strongly encouraged to use a minimum of 89 octane at all times due to compression ratio. *Due to variability in turbocharger systems, they must be evaluated by our tuner prior to committing to any services.  Additional tuning service/hardware may be required.