![2009-2013 GMC Sierra 1500 4.8L, 5.3L, 6.0L and 6.2L Custom Tuning Tune Service:Transmission Tuning Only [$525] ($400 Deposit Included) 3L up to 30-35hp on](https://cdn.shopify.com/s/files/1/0673/0504/6304/files/BlackBearLogoFullColor_3aabaf99-6b24-424f-a996-8a204afcf1f6.png?v=1708638941)
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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
3L up to 30-35hp on a 7
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0L (Denali) and 8
Using that data
throttle response
2009-2013 GMC Sierra 1500 4.8L, 5.3L, 6.0L and 6.2L Custom Tuning Tune Service:Transmission Tuning Only [$525] ($400 Deposit Included) 3L up to 30-35hp onBlack Bear Performance offers our AutoCal custom tuning service for your 2009 2013 GMC Sierra 4. 8L, 5. 3L, 6. 0L and 6. 2L. Gains vary widely by engine type and configuration. 4. 8L and 5. 3L engines will typically see a 15 30hp 15 20ft lbs gain. 6. 0L engines will typically see a 25 30hp 40 50ft lbs gain. 6. 2L engines will typically see a 15 20hp 20 25ft lbs on 91+ octane. Combine that with improved shift patterns, towing capabilities, throttle
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