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When installing a catch can setup, PCV delete plate, or billet valve cover you will be left with an open port on the stock intake manifold on VW/Audi 2.0T FSI/TSI and 2.5L 5 cylinder engines. This in-house CNC machined aluminum IE Boost Cap is a simple o ring sealed solution to block off the remaining port completely or turn it into a simple vacuum tap for installing a boost gauge.
Use the IE Billet Boost Cap to securely block off the intake manifold PCV inlet port when the factory PCV system has been removed. In-house CNC machined and o ring for a reliable leak-free seal. The cap is a quick installation using a factory style clip that takes only seconds to install. All installation hardware is included to completely block off the PCV manifold port or to convert it to a boost source for gauges or engine management systems.