Agency Power Uncategorized AP-MK7-155 The Agency Power Boost Tap gives you a way to easily reference your vehicles boost or vacuum pressure for required mods. The black anodized billet aluminum piece easily installs between the MAP sensor and intake manifold. The tap comes ready to accept 0.1875" hose with a preinstalled 0.125" NPT fitting. The Agency Power Boost Tap allows you to add products such as a boost gauge or aftermarket diverter valve. Boost Tap Volkswagen Golf GTi Jetta Beetle Turbo AP Volkswagen Golf GTi / Jetta / Beetle Turbo Boost Tap