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IMSA Audi 90 Quattro 2.2 Turbo Sound Showcase
The 1989 Audi 90 Quattro IMSA GTO, equipped with a 2.2-litre turbocharged five-cylinder engine, unleashes one of the most iconic sounds in racing history. With explosive turbo lag, aggressive revs, ...
Automotive Mike on MSN
How fast is the Audi 90 Quattro IMSA GTO really?
The Audi 90 Quattro IMSA GTO is a legendary race car developed for the IMSA championship in the late 1980s.
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