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Old 11-17-2006, 11:36 AM   #1
skunkfifty
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1998 legacy outback
white

Default whats up with my midpipe?

Car: 98 LOB.
the welds around my midpipe resonator have rotted out, and its leaking so i plan to hit my local exhaust shop fix me up, but I noticed something about my midpipe that doesn't seem to jibe with what i've seen.
this is from my service manual, it shows a plain pipe with a resonator on it.

Mine however, has the first 2 cats like it should, but once you get to the midpipe, it seems I have a third cat. It looks more like this:


i've seen a couple of photos of the under side of other legacies and they seem to follow the first drawing, not the second. whats up with my midpipe?
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Old 11-17-2006, 11:48 AM   #2
ttatsumi
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i thought thats how it should look in the second pic? I'm not a guru...just my opinion.
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Old 11-17-2006, 01:09 PM   #3
Wiscon_Mark
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2003 Forester X 5MT

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Not on mine.

It goes headers (y pipe) - Catalytic converter (2 of them if stock) - Midpipe (resonator) - axleback (muffler)

Each dash being a flange in the exhaust line.
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Old 11-17-2006, 01:32 PM   #4
skunkfifty
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Quote:
Originally Posted by Wiscon_Mark View Post
Not on mine.

It goes headers (y pipe) - Catalytic converter (2 of them if stock) - Midpipe (resonator) - axleback (muffler)

Each dash being a flange in the exhaust line.
that show i think it should be, from what i've found. but you also rock the 2.2 litre, so that could make a difference.

why would i have a 3rd cat AFTER my last O2 sensor? why subaru, why?
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Old 11-17-2006, 01:53 PM   #5
Wiscon_Mark
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No, it doesn't make any difference.

There is no third cat from stock. I don't think it's a cat.

FWIW, the resonator on my midpipe is right after the cat ->midpipe flange.
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Old 11-17-2006, 01:59 PM   #6
skunkfifty
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Quote:
Originally Posted by Wiscon_Mark View Post
No, it doesn't make any difference.

There is no third cat from stock. I don't think it's a cat.

FWIW, the resonator on my midpipe is right after the cat ->midpipe flange.
so it sounds like yours matches the pic i psoted. my new theory is i have a california emissions spec car. in wisconsin, interesting.
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Old 11-18-2006, 12:46 PM   #7
gtwagon941
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The big piece that looks like a cat on the midpipe is just another resonator.



Here is a picture of mine next to a new Stromung.

Two resonators in the midpipe...
(Disregard the caption on this picture)


Your car is the same as mine.

.02

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Old 11-20-2006, 08:53 AM   #8
skunkfifty
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Quote:
Originally Posted by gtwagon941 View Post
The big piece that looks like a cat on the midpipe is just another resonator.



Here is a picture of mine next to a new Stromung.

Two resonators in the midpipe...
(Disregard the caption on this picture)


Your car is the same as mine.

.02

Jared
thats pretty much it. so it just another resonator eh.
any idea how the car sounds with out it on there? hows it sound with the stromung or something similar in design.
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Old 11-20-2006, 02:17 PM   #9
gtwagon941
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Sounds nice. Really depends on whether you have headers/cat/noisy muffler.
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Old 11-20-2006, 05:37 PM   #10
skunkfifty
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Quote:
Originally Posted by gtwagon941 View Post
Sounds nice. Really depends on whether you have headers/cat/noisy muffler.
nope, all stock. i may do headers if i ever find a set cheap, but thats a ways down the road.
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Old 11-20-2006, 09:50 PM   #11
gtwagon941
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Quote:
Originally Posted by skunkfifty View Post
nope, all stock. i may do headers if i ever find a set cheap, but thats a ways down the road.
I dont' think you have much to worry about if you don't have a resonator.

Jared
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Old 11-21-2006, 02:31 PM   #12
Plays_With_toys
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You could probably put a piece of straight pipe in there for dirt cheap ($25?) if the exhaust shop has nice guys working there. It'd probably open up more sound out of the exhaust too.
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