Reviewed By Scott G (DARLINGTON, SC) Reviewed for a 2015 Chevy Tahoe —10/28/2014 6:37 AM
This device does exactly what is advertised to do. I haven't seen my 2015 Tahoe drop down to V4 with it plugged in. It keeps it in V8 mode all day long. Just plug it in under the dash and forget about it.