1996-1997 GMC Yukon 5.7L Custom Tuning Tune Service:Traditional [$355] Link to Scan Cable Instructions

Link to Scan Cable Instructions

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

The Details:

9 LSU wideband sensor and weld-in bung included

configuration and vehicle condition prior to the tune

1996-1997 GMC Yukon 5.7L Custom Tuning Tune Service:Traditional [$355] Link to Scan Cable InstructionsBlack 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