RE: New owner of coach #485 1998 45’ -
Richard - 06-30-2026
Not saying you should or should not do this, just making you aware of an alternative to stock with acceptable noise levels.
https://www.newellgurus.com/showthread.php?tid=4754. I also put the same muffler on my Prevost.
I have heard one series 60 through the Aero brand. I personally could not live with that level of racket.