2000-2006 GMC Yukon 4.8L, 5.3L, 6.0L and 8.1L Custom Tuning Tune Service:AutoCal Tune & Hardware [$749] We offer a single-item tune

We offer a single-item tune that disables the Active Fuel Management (otherwise known as DOD or AFM) within the ECM on 2007-2013 GM Trucks and SUVs and 2014 Tahoes and Yukons

With years of experience in custom GM tuning

improved throttle response and improved mileage in many cases

We will analyze and provide corrective action or an order form to complete the tune purchase

Email file(s) to be reviewed

2000-2006 GMC Yukon 4.8L, 5.3L, 6.0L and 8.1L Custom Tuning Tune Service:AutoCal Tune & Hardware [$749] We offer a single-item tuneBlack Bear Performance offers three different levels of custom tuning service for your 2001 2006 GMC Yukon 4. 8L, 5. 3L, 6. 0L (Denali) and 8. 1L. We commonly see gains of 20 25hp, 15 20ft lbs of torque gains out of the 5. 3L variation and 8. 1L engines can see a monster 50+ ft lbs of torque, depending on fuel quality, octane and vehicle condition prior to the tune. Due to frequent issues with 6. 0L and 8. 1L vehicle sensors, we strongly recommend our