What a joke and a complete waste of time. So I had to do a little more research. Found a couple of post about using the Magnaflow Resonator with three different sizes. Some commented on how this didn't reduce the drone which I am trying to eliminate. I called Magnaflow and they said in my situation, I should try the round muffler. I choose the 12646 muffler 6X18 and it fit well. So went went to another shop closer to home and had them install it.
Man, there is a dramatic change in the noise/drone levels. I highly suggest this muffler instead of the resonator to tame the sound down. BUT, it still has a modified sound and doest sound stockish.[/QUOTE]
Same as the fwerk's stealth, makes a big difference. I have that in front of my Borla system.