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 Stage 1 software for Audi S4 and S5 3.0T FSI applications is now available ....
    GIAC-tuned GMG GT2RS performance software featured in the January/February issue of European Car...
    GIAC's performance calibration for the 2011 Panamera ® Turbo, blows away the competition....
    GIAC first to release full switching performance files for the 2012 VW ® CC and GLI.


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