GIAC is the market leader in performance calibrations for Audi ®, Bentley ®, BMW ®, Porsche ®, and VW ® applications.
Tuning is an art
To tune for optimal performance is to tune for a careful combination of speed, strength, and agility that varies as driver tastes vary. GIAC exists to tune cars for the way people like to drive.










Motorsports
    GIAC software for 958 Cayenne Turbo ® applications is now available!
    GIAC performance software for the 2012 Audi ® R8 V10 application is now available!
    GIAC's Flashloader Wireless App (FWA) released...
    GIAC's Stage 2 TSI GTI breaks into the 12's at the 1/4 mile drag strip! Two new 1/4 mile records!
    GIAC Stage 1 software for Audi S4 and S5 3.0T FSI applications is now available ....

GIAC is the market leader in performance calibrations for Audi ®, Bentley ®, BMW ®, Porsche ®, and VW ® applications.