Exhaust question

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04-04-11, 01:42 PM

kgracom

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Exhaust question

In the side of my cat eliminator down pipe there is a air pipe welded to it that leades to the engine compartment by the exhaust manifold. Is this necessary for an emissions removed car??

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04-04-11, 02:08 PM

jjwalker

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No, it is the split air pipe that connects to the ACV. You can just leave it, as it is doing nothing anyway.

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04-05-11, 01:20 AM

3vil

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if he has an s4 then that would be the pickup to open the 5/6th ports

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04-06-11, 06:27 PM

amondchristopher

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thats how my 5th & 6th ports operate on my S4

Last edited by amondchristopher; 04-06-11 at 06:27 PM. Reason: & not @

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