The HARD Motorsport EGR Block-off Plate (exhaust air valve) blocks off the port on all S54, S50B32 Euro, and M54 engines. This does not fit S50B30 Euro engines.
Made from 6061 aluminum and CNC milled to create this plate. An 'Air Pump' fault code will be triggered on a stock non-reflashed ECU. This is intended for track use only.
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direct bolt on, with extremely high end quality.