The Boost Controller allowsyou to control the amount of boost that is forcing air intothe engine. Combined with boost control, you can also create a timing map based on boost pressure. Through the advanced View software, you can create a boost map for theentire run. Values are based on pressure sensors including dual 4-BAR internal (good through 75 PSI). Their is alsoa boost pressure activation output and a safety overboost shut-down feature. Includes anadditional feature that can retard timing in order to helpspool the turbo's.