That's exactly how I have my exhaust ran. I'd probably go with a 14" Magnflow SI/DO with no resonator. Sounds good with only a little drone. I have this setup but reinstalled my resonator, it sounds great but a little quiet.
2013 King Ranch 4wd 5.0-Oxford/Adobe, HBS 2" level, 285/65r20 BFG ATs, K&N drop-in, Magnaflow catback, SCT X3 with MPT tune