GrimmSpeed Electronic Boost Control Solenoid 3-Port – Mazda 3 MPS

Part Number: 057028


Available to Order (not in stock)
SKU 57028
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The 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, increased boost pressure and free up lots of power. Planning on returning the car to stock? Just reverse installation.


– Get into Boost Much Quicker (Flows 10% more than competition)

– Plug and Play into OEM Harness (no splicing wire like other BCS!)

– Factory Fit for clean install

– Works Safely with Factory Mazda ECU (custom coil to match ECU)

– Nickel Plated Fittings as this is Built To Last (not the easily breakable plastic fittings!)

– Easy to Install and Very Easy to Tune

– The Only Direct Bolt-IN BCS for MS3

Installation instructions here –


Weight 2 kg

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