I had to cut mine off then drill and tap the two holes at the bottom on the exhaust manifold, bought the springs and washers from amazon, put back together and used spring lock washers and nuts on the other side of the bolt in case my new treads wanted to give up.
1996 Geo Tracker, CAMI, 16 valve, 5sp, 4x4, soft top, 2 door, no a/c