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    AEM Induction Intake Bypass Stainless Steel Valve

    Part #20-401S
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    This item is not eligible for further promotional discounts, coupons or special offers.
    • Product Details

      Part No.20-401S

      Warranty Details (90 DAY REPLACEMENT IF DEFECTIVE)

      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.

      Product Features:

      • Fits 2.5 inch tubes
      • Secures with two included 1/2 inch wide hose clamps
      • Protects engine from water in cold-air intake systems
      • Installs along the upper portion of the inlet pipe

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