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AEM Air Bypass Valve
AEM Air Bypass Valve
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AEM's patented Air Bypass Valve virtually eliminates the chance of hydro-lock in the event the filter of your AEM Cold Air induction system becomes submerged in water. On most systems, the valve installs along the upper portion of the inlet pipe and shuts down induction at the filter when it becomes submerged, rerouting air through its external diaphragm to keep water out and air flowing in.The AEM Air Bypass Valve is C.A.R.B. exempt on AEM Cold Air induction systems only and is NOT for use on forced induction vehicles. Patent #6,394,128.
AEM's Air Bypass valve for Cold Air Induction Systems virtually eliminates the unlikely chance of water ingestion should the filter element become wet from deep puddles, rain, hail, sleet or snow´┐Żor any other scenario in which the filter element could encounter or become submerged in water. The valve installs along the upper portion of the inlet pipe on the same axis as the throttle body centerline. Should a drop in pressure occur within the pipe due to filter submersion, the valve shuts down induction at the filter and routes incoming air through its external orifices, eliminating any chance of water ingestion. AEM's Air Bypass Valve is for use on AEM Cold Air Systems only.
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AEM 20-400S 2.25-Inch Air Bypass Valve
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Retail Price: $68.99
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$50.34
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AEM 20-401S 2.5-Inch Air Bypass Valve
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Retail Price: $70.99
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$51.29
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AEM 20-402S 2.75-Inch Air Bypass Valve
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Retail Price: $69.99
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$51.29
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AEM 20-403S 3-Inch Air Bypass Valve
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Retail Price: $69.99
Sale Price:
$51.29
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Product Reviews
5 out of 5 stars Good
Review for: 3-Inch Air Bypass Valve
From Bridgeton Reviewer: From A Customer   Own this product - Yes
So Far So Good no water has gotten in yet.
Some of the reviews may have been edited by our moderators in order to comply with our review guidelines.