AEM
AEM 2.75 in. Universal Cold Air Intake Bypass Valve - NOT FOR FORCED INDUCTION
SKU: A005 20-402S
Description
Part #: 20-402S
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.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | AEM |
| Part Number | A005 20-402S |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy