Au Contraire Mon Fraire!
Originally Posted by h20loo
your exhaust can be black pipe, abs,galvanized exhaust pipe or non existent. Unless you hang your meet over the exhaust it won't make any difference!! The reason the experienced builders use the 2" pipe is that it is the easiest to control. I think the holy lid messes with the convection of a drum and is a pain to damper off.
(always wanted to say that
) Evenly spaced holes are the best convection.