I have a bunch of stuff that came off of my Solstice GXP up for sale over at solsticeforum.com. Link below, as well as a summary of what's for sale. Everything is specific to Solstice/Sky.
https://www.solsticeforum.com/forum/f30/fs-gxp-back-stock-mega-list-158719/
WERKSracing front/rear adjustable swaybars
Hawk HP+ F/R pads, barely used
Solo Performance Street Race exhaust (3" straight through dual exit)
Curt trailer hitch
Stock upper shock/spring mounts drilled for Konis
Radio blank plate
Stock hub assemblies with extended ARP studs
Silver OZ Ultraleggera wheels - 18x8 ET50
Super-trick Koni SA coilovers with Hyperco springs and custom built pillowball upper mounts
Not listed is a set of Forgestar flat-black 18x11 5x110 ET50 CF5 wheels - those still have Hoosiers on them that need to be de-mounted, but if anyone is interested let me know.
I also have a bunch of Hyperco 2.5" spring pairs that I'll list separately
