Would have to find out what size pipe or connector at the motor and go from that .....my brother in law went to lowes and found everythin he needed for a modified muffler and pipe
Used chain in a pipe and noted not too restrict the flow too much and it worked ike a charm ..did the same on my chain saw and muffler still going strong.
Brother in law was making a drag looking lawnmover he he
bg, October 2005