2015-2020 Chevrolet Suburban 5.3L and 6.0L Custom Tuning Tune Service:AutoCal Tune & Hardware [$749] 1L engines can see a

1L engines can see a monster 30-35hp+

15-20hp gains are common out of this 5

This time period is defined as 2 weeks after the completion of the process or 45 days from the date the equipment is shipped from our facility

while 20-25hp and 25-30ft-lbs gains for the 6

If there are any mechanical problems

2015-2020 Chevrolet Suburban 5.3L and 6.0L Custom Tuning Tune Service:AutoCal Tune & Hardware [$749] 1L engines can see aBlack Bear Performance offers our AutoCal custom tuning service for your 2015 2020 Chevrolet Suburban 5. 3L and 6. 0L. 15 20hp gains are common out of the 5. 3L variation and 6. 0L engines can see a monster 40 50 ft lbs of torque. 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