Check out GMG's GIAC Tuned R8 Race Cars
2000+ mile journey. 70+ Horsepower. Tunes for the new B8.5 S4s are available!
Two B8 S4s getting the GIAC treatment.
Unleash your A7 with a GIAC tune.
Check out GIAC's new TT-RS Software!
Mark your calendars for Sunday, September 4th! We're back at the Big SoCal Euro 2016 for an even bigger and better show. See you guys there!