I was at the local Dodge dealership having my 2004. 5 serviced when the service writer asked me if I wanted to have a factory exhaust brake installed on my truck. I told him I understood that Dodge would not install the factory exhaust brake on 48re equiped trucks. he said that there is a factory upgrade to the software that allows the exhaust brake to be set up on 2004 48re trucks. I don't tow enough to justify the cost, but i wanted to pass this on to other people that need an exhaust brake on thier 48re truck.
DBabcock
DBabcock