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-tuned Champion 997.2TT big turbo in Excellence August Issue
    GIAC-tuned BMW M3 V8 wins the North Island Endurance Series Championship at the Taupo Circuit in New Zealand.
    GIAC tuned Berk Technology BMW 135I and Evolution Racewerks BMW 135I finish 2nd and 3rd respectively, in the Redline Time Attack at Auto Club Speedway.
    GIAC custom-tuned Champion Motorsport “War Admiral” 997.2TT big turbo performs perfectly in a test run at Palm Beach International Raceway


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