The 1968 Chevrolet Impala may look like a typical family car, but this beast hides a fuel-injected, 496 CID big block V8 under the hood, coupled with a four-speed automatic transmission. As it zooms past, the four stainless exhaust tips and the smoking tires reveal its true nature—a street-legal speed demon with torque to burn. Thanks to Gateway Classic Cars for the images that capture this sleeper’s true essence. Who knew a family car could pack such a punch?