1998-2000 Chevrolet Silverado 4.3L, 5.0L, 5.7L and 7.4L Custom Tuning Tune Installation Option (Scan cable and Traditional tune ONLY):Unblemished PCM (<5% paint missing) [+$125] and customizing your vehicle—whether you’re

and customizing your vehicle—whether you’re troubleshooting a problem

Black Bear Performance offers three different levels of custom tuning service for your 2007-2008 GMC Yukon 4

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

High-Speed Standalone Data Logging

It is a fully functioning unit that has been previously opened so we are reselling it at a slightly discounted price

1998-2000 Chevrolet Silverado 4.3L, 5.0L, 5.7L and 7.4L Custom Tuning Tune Installation Option (Scan cable and Traditional tune ONLY):Unblemished PCM (<5% paint missing) [+$125] and customizing your vehicle—whether you’reBlack Bear Performance offers three different levels of custom tuning service for your 1998 2000 Classic Chevrolet Silverado. Gains vary widely based on engine size but can vary from 10 15hp on a 4. 3L up to 30 35hp on a 7. 4L. From bone stock to heavily modified, we can help your engine perform as optimally as possible. Other improvements range from improved idle smoothness to better automatic AND manual shift performance, improved throttle response