GrimmSpeed Boost Control Solenoid - MazdaSpeed3 (057028) 1847 more responsive feel compared to

more responsive feel compared to rubber lines

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GrimmSpeed Boost Control Solenoid - MazdaSpeed3 (057028) 1847 more responsive feel compared toThe GrimmSpeed MazdaSpeed3 Boost Control Solenoid is designed to work with your factory computer (requires tuning). It will not reduce the life of your factory computer because it is designed to draw the same ammount of power as the factory BCS but flows better and reacts faster. It plugs in and requires no splicing or soldering of resistors. With the included bracket you can bolt it in, plug in the connector, and start tuning for fast boost response,