elusive mufflers?

Dynomax Ultra Flo are unchambered, perforated tube mufflers. They work like a gun silencer. Of course, if you want to do it on the cheap, a pair of glass-packs (Cherry Bombs, Thrush)

http://www.summitracing.com/search/...ynomax u&sw=Dynomax Ultra Flo Welded Mufflers