The AFM design is really most popular as it allows the user some adjustability for modified cams; there is no compensation available with MAP sensors. There is absolutely no benefit to converting to a MAP sensor, the thought of reduction HP mainly because of the AFM restriction is not accurate. https://4ageenginesale59269.tkzblog.com/28743392/helping-the-others-realize-the-advantages-of-toyota-4age-engine-for-sale