HPA FT400 Audi TT HPA FT400 Audi TT January's issue of Eurotuner features the famous Eurotuner Grand Prix in which performance cars from twelve of the top tuners in North America converge under the Californian sun to do battle on the dyno, the drag strip and the Streets of Willow. At the end of these grueling tests, stories are told, winners are declared and promises are made for next year. HPA Motorsport is no stranger to this event having competed in the past with our single and twin turbo R32s, but this year things would be different. With the unparalleled performance of the Twin Turbo program having been previously showcased, this year it was time to take one of HPA FT400 Audi TT audift400hpa in Public bookmarkswith audiautoautomotivecarscustomft400hpanewstttuning