Exhaust 94 Z A4

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Sep 26, 2005 | 02:37 AM

jfitts23

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From: NC

Exhaust 94 Z A4

i wanted to know if i could run long tube headers a y pipe no cats and just straight pipe back. i will also have a muffler eliminator on. the muffler shop here said i can't do it. and with no cats it will just have my computer crazy and my check engine light will be on all the time. can i t be done with out computer going bad and how do i do it. thanks

Sep 26, 2005 | 02:45 AM

alconk

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I have a 94 Z with no cat (straight pipe) with no mods and runs great! No check eng. light or anything...

Sep 26, 2005 | 08:30 AM

sssalah

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From: Bahrain

Yeah, there are no post cat o2 sensors on OBDI car (93-95), so it wont throw a code because of that.

Sep 26, 2005 | 08:32 AM

94strokedz

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From: Almont, MI

Im running a straight pipe to a cutout, no cats, no codes.

Sep 26, 2005 | 11:13 AM

jfitts23

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thanks alot i don't know what my muffler place is talking about. because i just got some pacesetter long tubes with the egr stuff and a pacesetter y pipe then im going to run straight pipe back to a muffler eliminator and hopefully its sounds real good. anyone have a setup like that

Sep 26, 2005 | 12:09 PM

94strokedz

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From: Almont, MI

The muffler place probably thinks that your car is like an LS1 car where there are O2's before and after the cats. Your car only has them before the cat, in which it doesn't matter if you remove the cat.

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