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'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.
    Record breaking GIAC racing news from down under: John Wood's extreme Golf R runs deep into the 12s.
    GIAC tuned 996TTs earn podium finishes in Hampton Downs 12 Hour


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