1996-1997 GMC Yukon 5.7L Custom Tuning Tune Service:Traditional [$355] 15-20hp gains are common out

15-20hp gains are common out of the 5

*Due to variability in turbocharger systems

9 LSU wideband sensor and weld-in bung included

2L engines require 91+ octane for optimal performance and efficiency

combined with improved shift patterns

1996-1997 GMC Yukon 5.7L Custom Tuning Tune Service:Traditional [$355] 15-20hp gains are common outBlack Bear Performance offers our traditional custom tuning service for your 1996 1997 GMC Yukon. From bone stock to heavily modified, we can help your engine perform as optimally as possible. We tend to see power gains in the 15 20hp 20 25ft lbs range and 1 2mpg improvement, depending on vehicle condition and configuration. Other improvements range from improved idle smoothness to better shift performance, improved towing and improved throttle