GIAC is an engine and transmission controller calibration house that tunes some of the fastest cars in the world. GIAC believes that tuning is an art, striking the perfect balance between speed, strength, and agility based on the drivers personal preference. GIAC exists to tune cars for the way you want to drive! With over 20 years of industry experience and a dedicated team of software experts at their facility in Irvine, CA, GIAC has the tune for you!
GIAC creates tuning products for:
Audi, BMW, Porsche, and Volkswagen.