Cab insulation
Can the drivers and passengers hear the clatter of engine noise while driving down the highway? I am talking about the older diesels, the ones that sound like a Briggs & Stratton engine with the muff...
Forum Discussion
You can add sound control mats if your ride is too loud. http://www.fatmat.com You can google FATMAT and find several sources. Amazon sells Fatmat and other products, available in various sizes and thicknesses.
