2000+ mile journey. 70+ Horsepower. Tunes for the new B8.5 S4s are available!
Two B8 S4s getting the GIAC treatment.
GIAC A7 3.0T
Unleash your A7 with a GIAC tune.
Check out GIAC's new TT-RS Software!
This Week's Featured Calibration
Champion Motorsport and GIAC's 997.2 Tubo 9 second kit has spent over a year now as the fastest stock turbo kit on the market. With the ability to hit speeds in excess of 135MPH in the quartermile, it is not too surprising. Read more
GIAC's new user-adjustable launch control for the manual transmission 2.0 TSI.