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The intake plenum box is a critical piece to completing a twin turbo installation on a Porsche 928S4.  The job of the intake plenum is to join the cooled air charges from either turbocharger and deliver them to the mass airflow sensor.  This carefully engineered piece does this job flawlessly and retains a high level of easthetics in the engine bay.  The "box" is streamlined inside to allow the two airflows to be effectively joined while minimizing turbulance. 

The intake plenum box comes with all hardware and mounting brackets.  ***Badges not included***