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1999 A6 2.8 flex pipe

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Old 06-30-2015, 08:52 AM
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Default 1999 A6 2.8 flex pipe

Hello,

I have a 1999 2.8 with I think is a broken flex pipe and CEL code for the cat. Without knowing the difference, I bought a brand new complete downpipe with 2 cats I believe is for late 2000-2001 A6 2.8L engine. I see that on my 99 A6 2.8L has only one cat in the downpipe.

My question is, can I use the brand new downpipe with the 2 cat in it for my pre-facelift 99 A6 2.8L with one cat downpipe? Would there be issues on fitment or CEL?

Thanks,
Old 06-30-2015, 10:10 AM
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my 2000 A6 has only one cat in the down pipe.
Old 06-30-2015, 04:48 PM
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There should b 1 converter and 1 resignator per side ..
Old 07-01-2015, 07:49 AM
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Originally Posted by Nitro878
There should b 1 converter and 1 resignator per side ..
Are you talking about the downpipe or the entire exhaust?
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