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: Quick-Release V-Band Clamp, weld-on adapter. Part Numbers: BLUE: TS-0205-1261 - (32mm outlet) BLUE: TS-0205-1271 - (38mm outlet) BLACK: TS-0205-1262 - (32mm outlet) BALCK: TS-0205-1272 - (38mm outlet)