2007-2019 GMC Sierra 2500/3500 6.0L Custom Tuning Active Fuel Management Disable In the Box

In the Box

1L vehicle sensors

1L engines can see a monster 50+ ft-lbs of torque

3L and 15-20hp on a 5

2007-2019 GMC Sierra 2500/3500 6.0L Custom Tuning Active Fuel Management Disable In the BoxBlack Bear Performance offers our AutoCal custom tuning service for your 2007 2019 GMC Sierra 2500 3500 6. 0L. 20 25hp gains are common with 30 35ft lbs of torque. Significant improvements in throttle response and shift patterns. Combine that with improved towing capabilities and even fuel economy in many cases and you'll have what feels like a whole new vehicle! Additional service offerings include: VATS Delete Torque Management Modification Removal