You're better off buying axle backs since the catbacks are just replacing existing pipe with the same sized pipe. To answer your question though, you should be able to use any of the catback kits since they're designed to fit where the end of the mid pipe is.
FRPP HotRods Cams / American Racing Headers Long Tubes with catted X / Stang-Hi dyno tune
Saleen wheels / Steeda CAI / Corsa Xtremes, K Springs, Koni STR.Ts, UMI lca relo. Brackets/r lwr ctrl arms UMI adj. panhard bar / Camber plates / SR Strut Tower Brace.