1999-2000 Chevrolet Express 4.3L and 5.7L Custom Tuning Tune Service:Scan Cable [$815] ($400 Refundable Deposit included) (Windows Laptop Required)

(Windows Laptop Required)

Black Bear Performance offers our traditional custom tuning service for your 1996-1997 GMC Sonoma or S15 Blazer 4

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

7L up to 30-35hp on a 7

1999-2000 Chevrolet Express 4.3L and 5.7L Custom Tuning Tune Service:Scan Cable [$815] ($400 Refundable Deposit included) (Windows Laptop Required)Black Bear Performance offers three different levels of custom tuning for your 1999 2000 Chevrolet Express 4. 3L and 5. 7L. From bone stock to heavily modified, we can help your engine perform as optimally as possible. We tend to see power gains in the 10 15hp range on a 4. 3L and 15 20hp on a 5. 7L along with a 1 2mpg improvement depending on vehicle condition and configuration. Other improvements range from improved idle smoothness to better shift