20 Muscle Cars To Buy Before the Oil Runs Out

12. Callaway Corvette C4

Rives Callaway established Callaway Cars in 1977. But it was long after the muscle car craze ended and high horsepower performance machines were a thing of past. He specialized in producing turbocharger kits for installation, mostly on European cars. And when his knowledge, expertise, and the start of the turbo era lined up perfectly, the company took off.

To show the real potential of the twin turbo C4, Callaway produced the legendary Sledgehammer Corvette. It was a highly modified and heavily turbocharged 1988 Corvette that produced 898 HP that could go over 250 mph.