Reviewed By Jay C (ORLANDO, FL) Reviewed for a 2008 Chevy Tahoe —10/22/2016 5:23 AM
Worked immediately when plugged in. No more rumble and shake when engine drops into 4 cyl mode. No noticeable drop in gas mileage. Love it!!
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.