2014-2018 GMC Sierra 1500 4.3L, 5.3L and 6.2L Custom Tuning Tune Service:AutoCal Tune & Hardware [$749] providing time to shut down

providing time to shut down an engine before damage occurs

The Authentication (Auth) Code will be shown in the Auth code: field under the F3: VINs screen

Black Bear Performance offers our AutoCal custom tuning service for your 2009-2013 Chevrolet Avalanche 5

turbochargers**

20-25ft-lbs of torque gains are common out of this platform

2014-2018 GMC Sierra 1500 4.3L, 5.3L and 6.2L Custom Tuning Tune Service:AutoCal Tune & Hardware [$749] providing time to shut downBlack Bear Performance offers our AutoCal custom tuning service for your 2014 2018 GMC Sierra 4. 3L, 5. 3L and 6. 2L. Gains vary widely by engine type and configuration. 4. 3L engines will typically see a 10 15hp 15 20ft lbs gain. 5. 3L engines will typically see a 15 25hp 15 20ft lbs gain (octane dependent) 6. 2L engines will typically see a 25 30hp 30 35ft lbs on 91+ octane. Combine that with improved shift patterns, towing capabilities, throttle