20 April 2017 by info_608z969j in 2. Dynosheets, 4. Hardware-upgrades, 5. News, 6. Projects, 8. Tuned cars, Audi No Comments Audi TTRS 8S 509ps stage 1 & 2 2017 AUDI TTRS 8S 2.5l Turbo As always GT-innovation is trying to be ahead of the competition by having ready every tuning stage for all the new models on the market. In 2014 we were one... Read more