Frankencar

Join Copart and try to buy one at one their auctions. Fees get expensive though, or find where the nearest police/ state public auctions are run and you might get a wrecked or blown up one. Buying the parts from a yard will be pricey. Most pull your own yards have cars over 10 years old, but who knows, you could luck out. Also, you have to watch with how they were wrecked, as the seat belts will blow their adjusters. You could also look on Challengertalk