You may wanna try calling Pauls High Performance.
http://www.paulshp.com/paulshp.htm
I had seen something online about sub-frame connectors that were made for to clear side exit exhaust. They are bent to follow floor profile and are full weld in's. Only problem is I cant find the article online about them now.
Ack I found article
http://www.mustangweekly.com/2001/may/brace/bracep1.asp
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My '00 GT
2000 GT Laser red-5speed,MAC Cold Air, MAC 2 1/2" Cat-Back, 3.27gears, Pro-5.0 shifter, Weld Draglite's 15x5 and 15x10, 275/50-15 DragT/A's, 165R15 front, BBK Underdrive pullies, BBK offroad X-pipe with Dynomax super converters
Best Quarter mile run to date: 13.350@101.79/1.844 60'(7-6-01)Best MPH 102.11(9-2-01)
[This message has been edited by Ares (edited 09-06-2001).]