Exhaust question

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Apr 4, 2011 | 01:42 PM

kgracom

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Joined: Jan 2011

Posts: 49

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From: Moorpark, ca

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??

Apr 4, 2011 | 02:08 PM

jjwalker

MECP Certified Installer

Joined: Feb 2009

Posts: 3,176

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From: Mesquite, TX-DFW

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

Apr 5, 2011 | 01:20 AM

3vil

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From: Springtuckey

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

Apr 6, 2011 | 06:27 PM

amondchristopher

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Joined: Jan 2011

Posts: 46

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From: indianapolis

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

Last edited by amondchristopher; Apr 6, 2011 at 06:27 PM. Reason: & not @

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