It's super easy to take off the emissions stuff in modern super duties, most folks do it after they hit 200k and they're no longer under Warranty. It can cost

It's super easy to take off the emissions stuff in modern super duties, most folks do it after they hit 200k and they're no longer under Warranty. It can cost tens of thousands of dollars to repair that stuff if its not covered, so its often a choice of totaling the truck or removing it. There are people that drive these engines to a million miles after taking off the stuff. Point is, maybe you don't have to go as old as you think. There are a lot if real nice things about more modern diesel engines that make day to day running and maintenance of them so so much easier. Just be aware you may be trading one gremlin for another.