If you want, I have an extra cat I bought new and never installed. It's a magnaflow. I was going to put it on a few months ago but ended up jumping right into the V8 install parts list, so now I'm not going to bother. I paid $110 + shipping. Will ship it to you for $80 (including shipping).
Denis A. Baldwin
1991 YJ 2.5L, 1" BD MML, 14 Bolt Rear, Dana 60 Front, 5.13 Gears, Detroit Lockers, 37ss, Cherokee Offset Springs (10" front to back stretch total), Bilstein 5150s, 1in. BL, custom cage, Warn M8000, Double D Dash/OHC, 4Low Front Stinger Bumper, DirtWorx Rear Bumper WTC, Tube Fenders, Comp Cut, 1 Ton HD Kingpin High Steering and PAID FOR.