I have the Vernalft muffler that I removed along with the old W10-2. I will attach a picture. It has 1 1/2" and 2" connectors. Both connectors are on top. There is brand new 2" hose 15" length.
I’ve never heard anything bad about Vetus mufflers and have had them on several boats.
Joe Valinoti
S/V iL Gatto NS30U #221
Sea Harbour YC
Oriental, NC USA