Below is a general manufacturer product group description. Please note the information below is not item specific. Item specifics are above in product details.

All Turbosmart BOVs are made out of tough and durable billet aluminium and offer a host of features designed to give them superior flow and performance. Turbosmart’s Universal Fit BOVs have been developed to fit most popular makes and models and come supplied with pictorial fitting instructions on a CD.
DESCRIPTION: Fully recirculating valve. A quiet alternative to the atmospheric BOV, the Plumb Back systems vents all excess pressure back into the intake system. .
APPLICATION: Ideal for cars with sensitive Air-Flow systems and off-road applications as the fully-sealed design of the Plumb Back prevents any foreign matter entering the system.
SUPPLIED WITH: Weld-on adapter. Available in a range of outlet diameters.
Also available as a Vehicle Specific Kit for WRX Models.