Cascadia daycab with no back windows! "Why would I want this?" you may ask - how about less road noise, better insulation and no rocks breaking the back glass out! The Cascadia mirrors are so good that you won't even realize you aren't thinking about looking back over your shoulder. Guess what - sleeper drivers don't usually have back windows either! Call today and find out how this unique spec will work for YOU!!engine type: DD15