2015-2020 GMC Yukon 5.3L Custom Tuning

Black Bear Performance offers our AutoCal custom tuning service for your 2015-2019 GMC Yukon 5.3L. Gains vary by modifications and operating conditions, but are typically in the 15-25hp  and 15-20ft-lbs range.  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). CAMSHAFTS: If you have or plan on an aftermarket cam swap, please contact us first All 2014+ 5.3Ls owners are strongly encouraged to use a minimum of 89 octane at all times due to compression ratio. *Transmission tuning NOT available on 2017-2019 8- and 10-Speed Transmiss