AEM's Revolutionary Bypass Valve gives those with a Cold Air Intake piece of mind when they encounter a lot of water when driving their car. Intended for everyday use, the Bypass Valve allows those in wetter climates, low lying regions or in areas with poor drainage to be able to put their air filter in the "set it and forget it" category of their minds. Note: AEM Bypass Valves can work with other Cold Air Systems, just match up the diameter of the intake tube to the size of the AEM Bypass valve!
