Posted for "Greenbacks, UnLtd." <n4zq@comcast.net>:

 Is it advisable to insulate the lower cowl in the area of the exhaust pipes
and if so, what would be a good product to use?
 
 Angier Ames
 N4ZQ

[See Zetex in the archives... discussed here lots of times over the years.  <M>   ]