2002-2006 Chevrolet Avalanche 5.3L and 8.1L Custom Tuning Active Fuel Management Disable

2002-2006 Chevrolet Avalanche 5.3L and 8.1L Custom Tuning Active Fuel Management DisableBlack 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

Improved Throttle Response

0L engines can see up to 30hp

speed and control with an easy to read

AFM Delete

15-20hp gains are common out of the 5

All tuning with our AutoCal is custom designed specifically for your vehicle

Speed and Rev Limiter Increase

15-20hp gains are common with 10-20ft-lbs of torque on 89 octane for the 4

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

All 2007+ 6

2014-2019 will typically see a 25-30hp/30-35ft-lbs gain

9 LSU wideband sensor and weld-in bung included