2013 Subaru Impreza Turbocharger Boost Management
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GrimmSpeed®Manual Boost ControllerSubaru Impreza 2013, Manual Boost Controller by GrimmSpeed®. Welcome to the most refined manual boost controller available on the market today. During development, GrimmSpeed worked hand in hand with tuners across the country to develop...250 steps of adjustment - High-resolution control16 clicks per revolution - Facilitates exact adjustment$109.00
2013 Subaru Impreza Models