2002-2006 Chevrolet Avalanche 5.3L and 8.1L Custom Tuning Tune Service:Traditional [$355] Gains vary depending on year

Gains vary depending on year

Other improvements range from improved idle smoothness to better shift performance

Black Bear Performance offers our traditional custom tuning service for your 1996-1997 Chevrolet Silverado

Compatible with thousands of years

We commonly see gains of 20-25hp

2002-2006 Chevrolet Avalanche 5.3L and 8.1L Custom Tuning Tune Service:Traditional [$355] Gains vary depending on yearBlack Bear Performance offers three different levels of custom tuning service for your 2002 2006 Chevrolet Avalanche 5. 3L and 8. 1L. 20 25hp, 15 20ft lbs of torque gains are common out of the 5. 3L variation and 8. 1L engines can see a monster 50+ ft lbs of torque. Combine that with improved shift patterns, towing capabilities, throttle response and even fuel economy in many cases and you'll have what feels like a whole new vehicle! Due to frequent