glass pack and and muscle car sound

You may be interested in these companies.
What I have bookmarked for interesting exhaust components and muffler designs.

http://www.mandrelbendingsolutions.com/servlet/StoreFront

http://www.spintechmufflers.com/

http://www.heartthrobexhaust.com

https://www.mufflermonster.com/index.cfm?fuseaction=category.display&category_ID=37

http://www.fullboarperformanceexhaust.com/servlet/StoreFront

Some of these companies have full dual 3" kits for A body Mopar.

Lots of neat band and spring type couplers, mufflers, pipes, bends, friggin dual straight pipes with 3/4 race cams.

Oh, here is the mufflers I was talking about with the glass pack design, check it out!

http://www.fullboarperformanceexhaust.com/servlet/the-12/Max,-Flow,-SS,-Stainless,/Detail