Posted 11/6/2025 19:59 (#11426071 - in reply to #11426060) Subject: RE: Stx 500 muffler
Just put a chunk of 5” pipe in place and then put a 5” muffler insert into the pipe. Any heavy truck shop will sell the inserts. Run them on a bunch of trucks and one tractor and they do a decent job keeping them quiet.
Stx 500 muffler
