[GMJimmy]

Originally Posted by MikeB

Maybe you just need to add sound deadening to the cab.

Originally Posted by LS short box

Sound deadening will help a lot. I run dyna mat like stuff first. Then double sided foil back with the jute in between and then the carpet.
Another thing is run the tail pipes out to the back of the truck.
You can also insulate the bottom of the cab over the top of where the headers run.

Yeah I think the Dynamat might be the partial answer. Thanks.
Jim