Crowhater

This is on craigslist

These are new GM Grand Sport or Z06 rear quarters, never mounted (paint blems), they only fit convertibles and will fit 2005 to 2010 corvettes. Replaces Grand Sport quarters or convert your convertible to wide body Z06/Grand Sport or ZR1 style. Call 713-248-4397 $900 .

FloydSummerOf68

That's not much of a deal. The other parts needed for the install aren't super cheap (liners, ducts, mud guards, etc...)