Can these be stacked??????????

thanks

Yes, they can be stacked. I have not personally tried it though so I cant give you any results.

I just have a question about the hyper tech, I purchased one when I first bought my truck. No engine mods or gear changes. Just a lift with bigger tires. The first time I programmed it I was given a choice of 24"-44" tires. I was running 36" So thats what I set it fore. Now it will not allow me to set anything bigger. I want to run 37". I called and was told there is no computer program to fix this! Has anyone dealt with this? How can I fix it?