Remove the PCV and connect the two internal ports together to completely isolate the intake manifold from the cam cover. Avoid PCV internal diaphragm rupture, which may cause excessive ventilation of the intake manifold during idling or loss of supercharging during driving. It is made of aluminum alloy with black anodized treatment, which is strong and durable and can work well on your car engine. PCV delete bypass repair kit, perfectly fit for A4 2.0T FSI (FWD) B7 2005.5‑2008, which is a practical accessory kit. The installation is simple, does not require complicated operations and tools., Manufacturer: WNSC