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speed and control with an easy to read
whichever comes first
15-20ft-lbs of torque gains out of the 5
3L engines will typically see a 10-15hp gain
com so that we can discuss the possibility of rescheduling for a time that will be better suited
2007-2008 GMC Yukon 4.8L, 5.3L and 6.0L (excl. Denali) Custom Tuning Active Fuel Management Disable speed and control with anBlack Bear Performance offers three different levels of custom tuning service for your 2007 2008 GMC Yukon 4. 8L, 5. 3L and 6. 0L. 15 20hp gains are common with 10 15ft lbs of torque on 89 octane. 6. 0L engines can see up to a monster 40 50ft lbs! 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! Additional service offerings