Billet Aluminum vacuum manifold. Can you not find a place to tap for any more boost sensors? Do you have more than one boost gauge or device? Weapon R has a solution for this problem! The boost vacuum manifold is made of 6061 Billet Aluminum and has two 3/8" ports on each side to allow for in-line installation to any 3/8" vacuum source. There are six 1/8" vacuum bungs which allows for easy plug-n-play type installation of any 6 vacuum gauges or devices. There are also plugs provided to use on unused ports so you do not suffer any leaks. This item is highly suggested for any modified car as it allows for quick installation and removal of commonly used vacuum related devices.