Autometer Boost Controller (Z-Series/ES 2-1/16")Offering an unparalleled feature set, the Auto Meter Boost Controller redefines what a boost controller should be. In addition to the standard hi lo mode, boost by RPM and boost by gear give you absolute control of your power delivery. Initial setup is incredibly simple using an intuitive menu and a evolutionary gear capture process. Configurable warnings with peak recall and boost shutdown are standard safety features designed to protect your engine.