I'm in Doral, have used 3 inch in and 3 inch out straight through Corsa Sport Muffler.
I also have like new (100 miles of use) magnaflow muffler, 2.5 inch in and 2.5 in out straight through, part 12286.
Have stock resonator off my 2012 GEN 1, 3 inch.
Let me know if interested.