OK, Im looking for a good sounding (aggressive) 5" muffler. I threw my Magnaflow in the trash cause it necked down to 4" inside. I now have a Dynomax bullet muffler... It sounds allright but under hard throttle it cackels a bit I dont like that. I want a good deep rumble but with good flow... In other words I want my cake & to eat it too :-laf