UK automotive weekly AutoCar Magazine has published a review of an Audi R8 4.2 variant augmented through the addition of VF-Engineering's supercharger system. The kit is good for a reported 548 bhp at 7500 rpm (30 more than the V10) and torque of 437 lb ft at 4800 rpm. The VF kit uses a roots style Magnuson/Eaton TVS 1900 supercharger running 6-7 psi, an air-water heat exchanger and GIAC ...
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