Welcome to our glossary. Below are definitions of words and acronyms commonly used in the automotive world. Bimmer - Automobiles manufactured by BMW Beamer - Motorcycles manufactured by BMW C1 - 1st Generation of Chevrolet Corvette 1953-1962 C2 - 2nd Generation of Chevrolet Corvette 1963-1967 C3 - 3rd Generation of Chevrolet Corvette 1968-1983 C4 - 4th Generation of Chevrolet Corvette 1984-1996 C5 - 5th Generation of Chevrolet Corvette 1997-2004 C6 - 6th Generation of Chevrolet Corvette 2005 - Cat/Cats - Catalytic converter(s) Cat Back - Portion of the exhaust after the catlytic converters Shaved/Shaving - Removing the emblems and logos of a car T-Bird - Ford Thunderbird