Your not the first person with SAP to get into a wreck. The only parts you can still buy OEM are the spoilers. The rest are if you can find them used. Just take the rear bumper the gave you and ask for a few $100 extra.
2003 Corvette Z06 - MGW shifter, Corsa X pipe, Corsa Xtreme exhaust, Texas Speed long tubes w/o cats, PowerStop rotors/pads, Conti DWS tires, C6Z51 F&R sways, C5R headlights, tuned
04 GTO - sold