How to connect Vintage Speed muffler if no heater risers?

[sonoma_vw]

Have dual carb setup now. (The grey horizontal running pre-heat tube is removed.) Where does the new muffler connect to with this configuration?
Any photos of a dual carb setup with this type of muffler showing how its mounted? Thanks.

I guess I might as well ask, how to identify what type of rear tin I need to get? (its a 1600 squished into a 1960 engine bay) Mine was butchered apparently to go around the heater riser mounting points. (see pics). How to folks get a better fit tin? Trial an error with the tin snips?
Thanks #2.

[Glenn]

Since you now have dual carbs get the muffler that doesn't have heat riser bungs.

That way there's nothing to block off.
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Glenn
74 Beetle Specs | 74 Beetle Restoration | 2180cc Engine
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[Bryan67]

The Vintage Speed muffler in your picture doesn't have heat risers, so there's nothing to block off. And just by a new tin without holes for heat risers or heater hoses and you`ll be fine.
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If you`re going to do something, do it right.

[Cusser]

Back in 1976, when my intake manifold for my Weber 40DCNF had no heat risers, I made such block-off plates in the shop at work at lunchtime. I couldn't find these commercially made back then; and I still use them.
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1970 VW (owned since 1972) and 1971 VW Convertible (owned since 1976), second owner of each. The '71 now has the 1835 engine, swapped from the '70. Second owner of each. 1988 Mazda B2200 truck, 1998 Frontier, 2014 Yukon, 2004 Frontier King Cab. All manual transmission except for the Yukon. http://www.thesamba.com/vw/forum/album_page.php?pic_id=335294 http://www.thesamba.com/vw/forum/album_page.php?pic_id=335297