I would not recommend the KB panhard, as it attaches to sheet metal in teh spare tire well instead of the opposite frame rail. This is just asking for stress cracks over time.
Take a look at the Maximum Motorsports piece, MUCH better as far as strength is concerned and should still clear most 2.5" exahust systems. It's even a little less expensive, too...
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Greg Banish
President,
Detroit Speedworks, Inc.
'93 LX Turbocharged Road Racer
'00 Bad-Ass F150