HKS created the first electronic boost controller kit for automotive use, and has relentlessly improved the design from there. The pinnacle of HKS's engineering prowess is the HKS EVC boost controller series
AEM's Tru-Boost Boost Controller and Gauge system is designed to function as both a boost gauge and an electronic 2 stage boost controller. As a stand alone unit, the Tru-Boost does not require any external unit for programming or operation
The GrimmSpeed Manual Boost Controller is the most refined manual boost controller on the market. Having spent over a year working closely with the nations best tuners, GrimmSpeed was able to produce the next step in the evolution of manual boost controllers
The Synapse Radian MBC, or manual boost controller, is a premium unit designed to give you precise control of your boost pressures. The unique 3 port design allows users to not only use it on their wastegate, either external or internal, but also allows users to pair it with a Synchronic BOV or DV to leak boost when not needed
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Don't have a 2014 Honda CRZ?
The link bellow will drop you to the same Boost Controller but for a different car