Is that for a class A? I currently have this that I cut open for better drafting, but it's time sensitive...meaning its not gonna last too long. It's made for single wall pipe. https://www.menards.com/main/heatin...-fittings/8-rain-cap-each/p-1444432218135.htm
Probably would, just not sure which adapter. I'd bet nothing more than a double end crimped section of single wall pipe would do the trick....