Reviewed By marr s (Hurlock, MD) Reviewed for a 2004 Chevy Avalanche —2/2/2016 1:18 PM
the horsepower out put was substandard. and I actually got better fuel mileage in the extreme mode then I did in the eco mode.
Reviewed By Patrick M (Newberg, OR) Reviewed for a 2007 Dodge Ram —11/16/2010 5:24 AM
I love the feature that I can set a exhaust temperature to cool down to after stopping and when it attains that temp The engine will automatically turn it self off takes the guess work out of how long to idle before turning off the engine. It also gives you the ability to increase your power on the fly. I like the display a lot better than the original attitude I had a lot easier to read