AEM Induction AEM 2.75 in. Universal Cold Air Intake Bypass Valve - NOT FOR FORCED INDUCTION 20-402S
AEM IND Air Intake Components
Secondary Air Injection Bypass Valve
AEM air bypass valves create a vacuum leak to bypass the air filter in the event that the air filter sucks up water. Air bypass valves are typically installed onto the air intake tube on cold-air intake systems.