Procomp Electronics | Motorsport ~ IPRA Circuit Racing at Mount Panorama, Bathurst. More Information: IPRA (Improved Performace Racing Assosication) , is the fastest growing category of circuit racing in Australia. It is classified by CAMS as category 3J. An Improved Production car is loosely based on a modified road car, and is made popular by the fact that it is fast and relatively inexpensive, as far as race cars go. Starting out with a production body shell, and then carrying out substantial modifications to engines, brakes and suspension. Add Comment |















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