Well I just got my MH back from the dealer and they couldn't find anything out of place.So I took off for my trip. About 600 in to the trip the right rear bag looks like it sprung a small leak. I now here air leaking all the time.Also my catalytic cloged up, I could even pull 40 MPH on a down hill run.So I took my trusty axe and started to hit the cat. it help out a lot .When I got to exit 27 on 81 in PA and found a great RV place at 4:15 they took me in and spent a good 35 min in the shop cutting a hole in the cat. so it can breath. When to the desk to pay I guessed $40-$50 dollars , and the man said "with tax $7.95" I said "great thanks"
.and off I when.Here is there info if your are stuck good people.
7501 Allentown Blvd
Harrisburg PA 17112