2001-2006 Chevrolet Suburban 5.3L, 6.0L and 8.1L Custom Tuning Tune Service:AutoCal Tune & Hardware [$749] but are typically in the

but are typically in the 15-25hp  and 15-20ft-lbs range

improved throttle response and shifting

Black Bear Performance offers our AutoCal custom tuning service for your 2007-2014 GMC Yukon Denali 6

We tend to see power gains in the 15-20hp range on a 5

Black Bear Performance offers three different levels of custom tuning service for your 1999-2007 Chevrolet Silverado 4

2001-2006 Chevrolet Suburban 5.3L, 6.0L and 8.1L Custom Tuning Tune Service:AutoCal Tune & Hardware [$749] but are typically in theBlack Bear Performance offers three different levels of custom tuning service for your 2001 2006 Chevrolet Suburban 5. 3L, 6. 0L 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