I made a pipe to replace the head to muffler pipes, cleared the codes and got new codes, if memory something to the effect incorrect pressureseems like it sensed wrong do or pressure to begin with. So clearing out the components would have been an inspection sticker issue as well.
I ordered the 6' bed 4X4 air suspension, 355 gears, in 14 and got consistent 32mpg on highway, just couldn't get past 30K to 35K miles on the exhaust system, the last time it was needed was when I traded it in because it was my second turn at paying for it mopar bought the first 3.
Back after the second service of my new truck, I now have a 2018 1500 hydro blue edition I picked up while throwing my 2014 factory ordered truck away, I refused to spend another $7500 for the exhaust system at 95K+ miles, making it every 30 to 35K miles it has not performed a successful regen...