NA Motor Discussions regarding N/A KA24E, KA24DE, and SR20DE

What is this?

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Old Mar 12, 2007 | 08:04 PM
  #1  
10isAce's Avatar
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From: Colorado
Question What is this?

What is this? I unhooked it when I installed my air intake. Do I need to put a breather filter on it?
Attached Thumbnails What is this?-240sx-engine-march-2007-002.jpg  
Old Mar 12, 2007 | 11:00 PM
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its a one way breather for the cat (if its working properly). helps warm it up faster for emission reasons. you can cap it off or put on a breather. be sure to cap the air filter adaptor too.
Old Mar 22, 2007 | 09:25 PM
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not for the cat it's for your egr
Old Mar 22, 2007 | 09:32 PM
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its the carbon box




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