There's some interesting stuff going on over at "LS1Tech.com" about this.
http://www.ls1tech.com/forums/showthread.php?t=897123 I've been emailing different companies and getting positive responses about everything but 'Strut Braces'. They're non-Existent on GXP's.
I might be able to modify a 'Strut Brace for GXP's. Maybe I'll order one in the near future and see what I can come up with in the Machine Shop. Maybe I'll make it a winter project.
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'86 Pontiac Trans Am: Blueprinted 500+ HP Small Block (Power Train and Chassis being prep for Track)
'05 Chrysler Crossfire Roadster: Stock (Driven When I'm Feelin' Selfish)
'06 Pontiac Grand Prix GXP: K&N CAI; Jet MAF; AiRaid TBS; MagnaFlow Exhaust; Tint: 20% Front, 15% Rear (This Is ONLY The Beginning)
Misc:
'68 Pontiac Firebird: Will Be Fully Restored When I Retire
'84 Kawasaki ZX900a Ninja: Fully Restored