On a big block the Dynomax Super Turbos always sounded good. On my 318 small block,I run the Thrush Turbo's Flowmaster makes your car sound like a Chevelle or a Mustang,IMO.
Like the threads here on wheels and tires,mufflers are a personal choice,so to each their own.
'68 Newport Custom Barge on a Budget!! BOAB 1973 Satellite WAGON! 318- 3 on the tree!! 2008 Chrysler 300c HEMI!