Developed in partnership with Aviva Instruments and United Motorsport, we bring you the ultimate forced induction system for the Audi 4.2L V8 FSI platform utilizing the Eaton TVS R1900 Supercharger, which is ideally matched to Audi's 4.2L FSI high revving motor, for the power and performance goals of our demanding enthusiasts. The result of all the design engineering, rapid prototype iterations and computer assisted simulations is best described as Instant Thunder from 2500-8