Reviewed By RICHARD J (Parachute, CO) Reviewed for a
—7/13/2014 9:25 PM
Big difference in power. I get 3 to 4 mpg more when using performance level.
Reviewed By Olivia c (OKTAHA, OK) Reviewed for a
—3/17/2015 8:14 PM
Best ever well worth the money my truck runs great
Reviewed By Richard C (Lubbock, TX) Reviewed for a
—12/31/2015 7:17 AM
asEasy install. screen size is perfect and easy to read. You do have to buy the EGT probe to monitor EGT on duramax if you are straight piped.