Boost Controllers

  • GrimmSpeed

    GrimmSpeed 08-10+ Evo X Boost Control Solenoid

    The Most COMPLETE EVO BCS Ever Built, Period. Get into Boost Much Quicker (Flows 10% more than the competition) Plug and Play into OEM Harness (no splicing wire like other BCS!) Factory Fit with clean install Works Safely with...

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  • GrimmSpeed

    GrimmSpeed Universal Manual Boost Controller

    The Next Level of Boost Control. Welcome to the most refined manual boost controller available on the market today. During development, we worked hand in hand with tuners across the country to develop this device and ensure that it solves...

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