Seller notes

Manufacturer: GrimmSpeed Part Number: 057028 Condition: New Product Description: The Most Complete and Best performing MazdaSpeed BCS Ever Built, Period. Get into Boost Much Quicker (Flows 10 Percent 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 ...

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