Corvettes, like other American classics from the 1960s and 1970s, generally seem to exist in a few different conditions: either they are all-original survivors, restorations, or they are hot rodded ...

While they're undoubtedly cool on the right car, side pipe exhausts disappeared for a few reasons. Some models with them, like select Chevy Corvette Stingrays, had questionably effective mufflers.