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AEM Air Bypass Valve UNIVERSAL

Brand: AEM Induction | Category: Intake Accessories
These parts should fit your vehicle, they are universal parts. Click a part number for more information.
UNIVERSAL
20-400S Intake Bypass Valve
California Air Resources Board Exempt: Yes
CARB EO: D-670-1
CARB EO Number D-670-1
Material Used Nylon
Size 2.25in
Weight 1 lb (0.5 kg)
20-401S Intake Bypass Valve
California Air Resources Board Exempt: Yes
CARB EO: D-670-1
CARB EO Number D-670-1
Material Used Nylon
Size 2.50in
Weight 1 lb (0.5 kg)
20-402S Intake Bypass Valve
California Air Resources Board Exempt: Yes
CARB EO: D-670-1
CARB EO Number D-670-1
Material Used Nylon
Size 2.75in
Weight 1 lb (0.5 kg)
20-403S Intake Bypass Valve
California Air Resources Board Exempt: Yes
CARB EO: D-670-1
CARB EO Number D-670-1
Material Used Nylon
Size 3.00in
Weight 1 lb (0.5 kg)

Product Description

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. Check with your dealer or call AEM for more information on air bypass valve installation locations. 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.

  • Virtually eliminates chance of intake system ingesting water if filter becomes submerged
  • Installs along upper portion of AEM intake systems with minor modifications
  • Patent #6,394,128
  • Complete hardware and installation instructions included

Product Reviews

AEM BPV Saves the Day..., Monday, June 8, 2009

I had ordered this before the rainy season because a friend of mine had Hydro Locked his motor last year. I installed it over the weekend and on MONDAY we got hit with downpours. Luckily this was installed when I needed to cross a flooded intersection with my lowered Civic.

Thanks AEM!

AEM BPV Saves the Day..., Monday, June 8, 2009

I had ordered this before the rainy season because a friend of mine had Hydro Locked his motor last year. I installed it over the weekend and on MONDAY we got hit with downpours. Luckily this was installed when I needed to cross a flooded intersection with my lowered Civic.

Thanks AEM!

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