Like others have said, it should bolt right in. I just swapped my f*cked up family cage for the old fashioned "kid crusher," and the only thing I had to modify was the outer most hole on the floor mount of the main hoop. Just had to ream the hole out about 1/8". I'd recommend pulling one of the torx bolts out before you start, taking it to a fastener store, and picking up all new, grade 8 bolts to replace them with. I picked up all 12 for under $4.00.
[size=2][b]June '13 YJOTM[/size][/b]