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2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

air line?

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Old Feb 27, 2007 | 12:10 PM
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bmx198706
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From: nebraska
air line?
when i replaced the cats on my 88gxl there is a small pipe tht runs up into the engine i believe tht connects to the main cat.. wat is it and is it neccasary?
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Old Mar 1, 2007 | 08:57 AM
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i belive it is for the fifth/sixth port things. but i might be wrong.
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Old Mar 1, 2007 | 04:03 PM
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Split air pipe. I'm not sure if it's neccessary or not.
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Old Mar 1, 2007 | 08:24 PM
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sends air to open the 5th/6th ports. you need it if tis an NA. If its an NA youll need to either buy a cat with the connector for it or take the one you have to a muffler shop to get custom work done.
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