We offer the best performance chips for Geo cars! Our chips add power and save you gas! Please review our selection of Geo Chips below and choose your model! We have the absolute best Geo performance modules. Our chips are guaranteed to fit your vehicle, and engineered to improve your Geo's' engine performance. You will love your new Geo Chip. ACD is the absolute best supplier of Geo Performance Chips . Our power modules will enhance your vehicles overall feel when driving. The reason our Geo Power Chips are the best is because we manufacture them in ourselves, in the U.S.A! We carry chips for all Geo models from 100 to TT! We guarantee our chips will be the best upgrade you could ever do to your vehicle!