Fully recirculating valve. A quiet alternative to the atmospheric BOV, the Plumb Back systems vents all excess pressure back into the intake system.
Quick-Release V-Band Clamp, Red Spring Rated -17 to -14 InHg (installed), 32mm plumb back fitting, 38mm weld-on adapter.
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.
IMPORTANT EMISSIONS NOTE: This product does not have a CARB EO #; it is not legal for sale or use in CA on pollution controlled motor vehicles. This is intended as a "Race Only" product to be used solely for competition. It's use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization; any other use including recreational off-road use, may be a violation of local, state and federal laws. It is the buyer's responsibility to verify legal use of this product for the intended application and use.