Posted in audi, Audi R8, Audi Videos, Drag-Racing, tuning, Underground Racing, video Watch Twin-Turbo 2017 Audi R8 With 1250HP Run Quarter Mile In 9 Sec Author: Bogdan Zoltan Published Date: August 26, 2016 Have you ever sat in an Audi R8 V10 Plus and thought it needs more power, like double the amount? Well, welcome to the world of Underground Racing. Read more ยป Related News Heffner Performance Twin Turbo Audi R8 VideoOur good friend Jason Heffner has tuned many Audi R8s in the past with one of the latest ones featured… Hennessey Announces Twin-Turbo Upgrade For Audi R8Hennessey is following in the footsteps of Underground Racing by announcing a twin-turbo version of the Audi R8. Read more… Video: Heffner Twin Turbo Audi R8 Lapping Miller Motorsports ParkHeffner Performance out of Sarasota, FL undoubtedly turns out some of the fastest cars on the street today. One of… Heffner Performance Audi R8 V10 Twin Turbo Is Totally WinningJason and his crew at Heffner Performance are among an elite group of aftermarket tuners for exotic vehicles. One of…