muffler ideas

I have shorties, OR H-Pipe with magnaflow cat back. quiet at idle, growls in the upper RPM range
to quiet for me, thinking about switching to flowmasters
 
I had boring super turbos for years and finally swapped them out for a Bassani BX catback system and am very glad I did - they are louder and more importantly sound much better. They are deep and racey sounding.