I may be demonstrating my ignorance here, but I'd like to know what defines a cup-car from a modified GT3?
Is there a set of specifications required to class your GT3 as a cup-car?
What's the difference between say a class 3E modified GT3 and a cup car?
Cheers!
Is there a set of specifications required to class your GT3 as a cup-car?
What's the difference between say a class 3E modified GT3 and a cup car?
Cheers!

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