Suggestions for muscle car sound muffler without drone

Don't how useful this muffler sound test is but it is a comparison of some use I guess. They just slipped different mufflers on a single exhaust under the car for you to hear [ame="http://www.youtube.com/watch?v=CxR6SSAud04"]Chevy Truck 350 CID muffler sounds - YouTube[/ame] .