http://www.dslretorts.com/Paladin/archives/002876.html

The muffler is a Patriot Exhaust H3346 -- a 26" long glass pack.  The pipe is to show the muffler is open, end to end, see inset.  Yet it is quiet -- about as quiet as stock.  Header and muffler coated with a satin silver 2000 degree paint: http://www.rustoleum.com/CBGProduct.asp?pid=371