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
    New GIAC Performance Software for the Carrera GT!
    New GIAC Version 2 software release for the 997TT...
    Dubwerks' GIAC powered GTI, the "cherry bomb", on Speed Channel....
    GIAC introduces software flashing and switching for the drive-by-cable B5 A4


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