2001-2007 Chevrolet Express 4.8L, 5.3L, 6.0L and 8.1L Custom Tuning Tune Installation Option (Scan cable and Traditional tune ONLY):I will mail my PCM in to be tuned we then provide you with

we then provide you with your custom files built for your vehicle

Black Bear Performance offers our AutoCal custom tuning service for your 2009-2014 GMC Yukon 5

Click on the Licenses button

*Transmission tuning on 2017-2019 8- and 10-Speed Transmissions is available

2001-2007 Chevrolet Express 4.8L, 5.3L, 6.0L and 8.1L Custom Tuning Tune Installation Option (Scan cable and Traditional tune ONLY):I will mail my PCM in to be tuned we then provide you withBlack Bear Performance offers three different levels of custom tuning service for your 2001 2007 Chevrolet Express 4. 8L, 5. 3L, 6. 0L, and 8. 1L. We commonly see gains of 15 30hp, 15 20ft lbs of torque gains out of the 4. 8L 5. 3L variations and 6. 0L 8. 1L engines can see a monster 30 35hp+, 40+ 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