Rev up your nostalgia engines for the 1969 Shelby Mustang GT500, the car that’s as subtle as a rock concert in a library. This beast of a muscle car roared onto the scene with a V8 that could probably power a small country. With its unmistakable stripes and a hood that looked like it was ready to swallow lesser cars whole, the GT500 was the automotive equivalent of a peacock flaunting its feathers—if peacocks had a penchant for burning rubber and stealing the spotlight at every red light.