2007-2008 GMC Sierra 1500 4.8L, 5.3L 6.0L (Vortec MAX) Custom Tuning Tune Service:Traditional [$355] 15-20hp gains are common out

15-20hp gains are common out of this 5

Significant improvements in throttle response and shift patterns

Requires credits to license controllers (varies by make/model) - Credits Sold Separately

2L engines will typically see a 15-20hp/20-25ft-lbs on 91+ octane

This option requires sending in your ECM and TCM from the vehicle to be tuned

2007-2008 GMC Sierra 1500 4.8L, 5.3L 6.0L (Vortec MAX) Custom Tuning Tune Service:Traditional [$355] 15-20hp gains are common outBlack Bear Performance offers three different levels of custom tuning service for your 2007 2008 GMC Sierra 4. 8L, 5. 3L and 6. 0L (Vortec MAX). 15 20hp gains are common with 10 15ft lbs of torque on 89 octane on the 4. 8L and 5. 3L. The 6. 0L Vortec MAX (VMAX) trucks are able to see a whopping 40+ft lbs of torque and significantly improved overall driving characteristics.. Combine that with improved shift patterns, towing capabilities, throttle