Manifolds vs. Headers

I have the dynomax super turbo , they are loud enough . They were super quiet the first few weeks but are now loud enough. My parents( 80's) think they are too loud , my son (18) too quiet , must be just about perfect .
here is sound bite
http://www.forabodiesonly.com/mopar/showpost.php?p=1407790&postcount=170

tight tube header thread
http://www.forabodiesonly.com/mopar/showthread.php?t=117019&page=4