Owners of the entry-level Audi R8 with the 4.2-liter naturally aspirated V8 seeking a healthier output may want to take a look at O.CT. Tuning?s latest offering. The European tuning firm has developed a new performance package that bolts on compressor to the Audi model?s V8 engine while also tweaking the ECU and adding a custom exhaust system.[...]Source: Carscoop