Reviewed By David A (GARDENDALE, AL) Reviewed for a 2007 Chevy Tahoe —1/6/2015 3:33 AM
I have on tried the 87 tune. You can tell a difference in power but not a lot of savings on fuel.
Reviewed By Steve M (Naperville, IL) Reviewed for a 2013 Chevy Tahoe —10/18/2014 4:30 AM
This is my 3rd Hypertech purchase and the most significant need to fix a factory dog. The difference in performance of my Tahoe, before and after is incredible. The installation woke up the engine and gave me a fun vehicle to drive.
Reviewed By Marty B (Alexandria, KY) Reviewed for a 2008 Chevy Tahoe —3/12/2013 3:08 PM
Igained 3 mpg and hp in stage extrem (thats where i run it) pulled trailor in tow stage , held rpm and mph didnt help with mpg.(hauling atv's, lawn tractor's)checked out trans stage: uneventful for me.