Grab yourself a dual in dual out dynomax or something like that and replace the farthest rear muffler... You wont regret it!
I had the exact same setup on my car (2 resonators, 1 dual in dual out muff in the back) and it was very throaty with application of the throttle, but OEM quiet at idle and more importantly cruise.. You always think you want louder until its too loud..
My current setup is straight pipe all the way back to a dual in dual out muffler in the back... Its almost a little too loud on the highway, but turning the stereo volume to the right fixes that...
