I put on longtubes and o/r x pipe. I no longer need these. They are in good shape and fit perfect. I had no leaks. They were on the car for about 4000 miles. $95 shipped
http://www.steeda.com/steeda-mustang-cat-delete-pipes-053-s-100/
http://www.steeda.com/steeda-mustang-cat-delete-pipes-053-s-100/