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Old Dec 30, 2020 | 04:25 PM
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How far back are the cats on an 09 A6? I didn't see any but was just making sure that there was none very far up towards the front. I had my car on ramps in the rear so couldn't see too far forward Thanks.
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Old Dec 30, 2020 | 04:38 PM
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My '09 only has cats bolted to the exhaust manifolds, nothing in the X pipe.
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Old Dec 30, 2020 | 04:58 PM
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Originally Posted by MissileDoc
My '09 only has cats bolted to the exhaust manifolds, nothing in the X pipe.
Thanks!
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Old Jan 5, 2021 | 02:42 PM
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Since we are discussing exhaust, my 2009 Coupe has the exhaust flowing through: Cats (one on each side), an X-pipe, tube-like resonators (one on each side), then the mufflers. Is this a normal stock exhaust set up???
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Old Jan 5, 2021 | 08:54 PM
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https://www.corvetteforum.com/forums...ette-cats.html

Does your configuration look like the pic in this thread?
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Old Jan 6, 2021 | 02:34 PM
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Mine didn't. I think whoever put the aftermarket (mufflers) exhaust on removed some stuff. Cats are still behind manifolds though. My question is, do the cats usually go if I go with LT headers?

Last edited by wood78221; Jan 6, 2021 at 02:35 PM.
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Old Jan 7, 2021 | 02:55 PM
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Originally Posted by wood78221
Mine didn't. I think whoever put the aftermarket (mufflers) exhaust on removed some stuff. Cats are still behind manifolds though. My question is, do the cats usually go if I go with LT headers?
Yes, but you can buy an X pipe with cats if you still want them.
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Old Jan 7, 2021 | 08:18 PM
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Originally Posted by MissileDoc
https://www.corvetteforum.com/forums...ette-cats.html

Does your configuration look like the pic in this thread?
Similar for my 6.2L LS3, but mine has two (one on each side) resonators after the X-pipe. I'm guessing those were added.

Last edited by RetroGuy; Jan 7, 2021 at 08:20 PM.
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2012 and 2013 also had two cats in the midpipe. Some earlier California cars had the extra cats added too
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