Product Description Specifications 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 from entering the system. CARB: This product is not CARB Legal and not for sale in California Category: Forced Induction>Blow Off Valves Core: N LTL: N MPN: TS-0205-1272 Proposition 65: Y Special Order: N