APR and AWE Tuning for this 4.0T S6

APR and AWE Tuning for this 4.0T S6 This fellow came to Excelerate Performance with his C7 S6 with Audi’s revolutionary 4.0L Twin Turbo V8.  As if the 420hp from the factory wasn’t enough. APR, LLC had to go further, pushing the limits of this very...