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AEM Induction Air Bypass Valves 20-403S

Air Intake Bypass Valve, 3.00 in. Diameter Tube, Each

Estimated Ship Date: Monday 3/2/2015 Would you rather pick it up? Select Location

Brand: AEM Induction

Manufacturer's Part Number: 20-403S

Part Type: Air Intake Bypass Valves

Product Line: AEM Induction Air Bypass Valves

Summit Racing Part Number: AIS-20-403S

UPC: 840879006990

Air Intake Tube Diameter (in): 3.000 in.

Quantity: Sold individually.

Notes: Not designed for use with turbocharged or supercharged engines.

In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

These AEM Induction air bypass valves are designed for use with cold air induction kits to virtually eliminate the chance of water ingestion, should the filter element become wet from deep puddles, rain, or snow. They install along the upper portion of the inlet pipe on the same axis as the throttle body centerline. If there's a drop in pressure, the AEM Induction air bypass valves shut down induction at the filter and re-route incoming air through their external orifices.


Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles

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