If your looking for a lexan body i can't never remerber any comany that produced one. On the other hand one option might be trying to find a plastic scale model kit in whatever scale your lookin for.Get your internet warmed up and start searching model companies.amt revell mpc try e-bay.I think its gona be a hard find but good luck wish i could help you more.
Hi-Rizers made a hard body 87 Regal r/c that use to be sold at Wal-Mart. All blinged out sitting on 22s, but the body was pretty cool and has potential. Maybe you can find one of those and just trash the chassis and keep the body. Check some of your local thrift stores, you may get lucky.