The Xforce exhaust appears to remove the second Cat, Looks like somewhat of a resonator to replace the center muffler in the mid pipe and has a muffler in the axle-back portion.
You can buy the Evilla Motorsports cat back no 2nd cat, with no resonator, no muffler, with 1 resonator in either the mid-pipe or axle back, or with 2 resonators:
Factory exhaust:
You can buy the Evilla Motorsports cat back no 2nd cat, with no resonator, no muffler, with 1 resonator in either the mid-pipe or axle back, or with 2 resonators:
Factory exhaust: