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Part:   20-401S

AEM 20-401S Intake Bypass Valve

AEM Intake Bypass Valve
  • 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

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.
Specifications AEM 20-401S Product Specifications
CARB EO NumberD-670-1
Material UsedNylon
Package Contents1 Bypass Valve
Package Quantity1
Product Box Height3.63 in (92 mm)
Product Box Length6.13 in (156 mm)
Product Box Width5.88 in (149 mm)
Product StyleAEM Intake Bypass Valve
Weight1 lb (0.5 kg)