Fully recirculating valve. A quiet alternative to the atmospheric BOV, the Plumb Back systems vents all excess pressure back into the intake system.  This is very good for various reasons: 1) queit 2) prefered method for superchargers 3) No air fuel issues on setups where the MAF is placed Pre-turbo 4) does not allow outside foreign matter 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: Quick-Release V-Band Clamp, weld-on adapter.