Boost Pressure Relief Valve
With this device installed between the intake manifold and the MAP sensor, any boost pressures above 24PSI will be released so that the SES light is not set and the MAP sensor does not command the PCM to go in to a defueling mode. This is a mechanical device and as such, allows the SES light to function as designed.
**This is a universal valve and can be used to regulate boost seen by any MAP sensor.**
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