I have down graded my 2001 Silverado 2500HD LT CC LB DMAXX to work truck only and purchased my 2015 Silverado 2500HD LTZ CC SB DMAXX. I love my 2001 and have used this site for many years for fixes and DIY'S. I had no idea how much better these trucks got, all I can say is WOW what a truck