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Reviewed By Duane M (Middletown, NY) Reviewed for a
—12/23/2011 12:50 PM
only had it installed for a day but seems to have given some added hp's don't know about mpg's
Reviewed By Mark H (WALDORF, MD) Reviewed for a
—8/6/2016 7:31 PM
Turned off the DOD on my Avalanche and gave it just a little more power. Added some pep in its step.
Reviewed By garrett b (SANTEE, CA) Reviewed for a
—8/18/2016 9:36 PM
I am getting better mpg, power and responsiveness are a world of difference compared to stock. It was easy to install and easy to personalize. More then I expected.