Reviewed By Thomas P (BAKERSFIELD, CA) Reviewed for a 2005 GMC Sierra —12/11/2017 5:10 PM
The speed and power gains were extremely noticable. Worth the money.
Reviewed By damon s (HENRYVILLE, IN) Reviewed for a 2009 GMC Sierra —11/22/2017 5:50 AM
Missed out on AutoAnything $50 rebate by 4 days:(! Make sure to have battery booster just in case. Bullydog updater not compatible with Mac, took multiple attempts to get the new download to the microSD card or for the pc to recognize the card.
Reviewed By Sam O (KNOXVILLE, TN) Reviewed for a 2008 GMC Sierra —9/13/2017 5:13 PM
Up to 9 gauges at once and easy to use. Best part is you can check your check engine lights and clear the codes. And has a good maintenance reminder on all a wide variety of maintenance for your truck. The only thing I am not sure about is unplugging and replugging it in if it saves your data.