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 Old 05-05-2012, 12:35 AM   #81
 
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Sorry for the noob question but is the cat in the downpipe the only cat on the car? If its not the only cat is it possible to pass emissions with a Catless dp?
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 Old 05-05-2012, 12:37 AM   #82
 
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It's not the only cat, and no, you can't pass emissions with a catless DP.
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 Old 05-13-2012, 12:52 PM   #83
 
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good thread, very helpfull for when i get around to installing an exhaust system
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 Old 05-14-2012, 05:42 PM   #84
 
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Who has the new catted CS downpipe? Does the divorced wastegate design have a significant benefit over a bellmouth design?
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 Old 05-17-2012, 10:51 AM   #85
 
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Anyone?
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 Old 07-23-2012, 04:49 PM   #86
 
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Exhaust Downpipe Mazda 07 08 09 Mazdaspeed 3 Cat-less | eBay

Does this "m2 performance" have the secondary o2 bung extended to avoid a CEL? I can't see from the pictures
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 Old 08-05-2012, 02:57 PM   #87
 
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Hey Guys quick question,

I have a MazdaSpeed 6 that has a Corksport racepipe and CBE. I'm looking into getting a downpipe but I can not use Corksports because they are Catless. With good ol Connecticut law I can not run catless. Will these other downpipes be compatible with what I'm running now? Will it make the car sound like Crap?
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 Old 08-05-2012, 03:05 PM   #88
 
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Originally Posted by EddyV1987 View Post
Hey Guys quick question,

I have a MazdaSpeed 6 that has a Corksport racepipe and CBE. I'm looking into getting a downpipe but I can not use Corksports because they are Catless. With good ol Connecticut law I can not run catless. Will these other downpipes be compatible with what I'm running now? Will it make the car sound like Crap?
Just go catless and run a couple non-foulers on the second o2 sensor.

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 Old 08-05-2012, 06:11 PM   #89
 
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it depends on how conneticut does emissions testing, visual, code scan, or sniffer, or all three?
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 Old 08-05-2012, 06:20 PM   #90
 
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Originally Posted by chuckms6 View Post
it depends on how conneticut does emissions testing, visual, code scan, or sniffer, or all three?
We only do a scan in CT.

If the tech is a reaaal dick he might visual check. But most give no fucks.
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 Old 08-05-2012, 06:30 PM   #91
 
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Originally Posted by smoogs12 View Post
We only do a scan in CT.

If the tech is a reaaal dick he might visual check. But most give no fucks.
oh. then catless and delete code in ap. if they check system readiness then go with the o2 sensor spacer.
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 Old 08-05-2012, 06:33 PM   #92
 
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...if they check system readiness....
This they do. Dont go in after clearing codes or pulling power to the car. You will fail
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 Old 08-05-2012, 06:35 PM   #93
 
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Originally Posted by smoogs12 View Post
This they do. Dont go in after clearing codes or pulling power to the car. You will fail
fersure lol. yea o2 spacer is the way to go.
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 Old 09-19-2012, 12:29 PM   #94
 
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Originally Posted by 93silvergt View Post
Exhaust Downpipe Mazda 07 08 09 Mazdaspeed 3 Cat-less | eBay

Does this "m2 performance" have the secondary o2 bung extended to avoid a CEL? I can't see from the pictures
Yes you can, And no it doesn't.

Do you have a 1/2" drill bit? Order some spark-plug non-foulers and make the extender yourself. It's really simple and works like a charm.

Does anybody make a 3" v-band upper downpipe for the MS3? I haven't been able to find one. The old style UR DP looks like it was made for a 3" v-band but knowing UR they would most likely charge extra for a non-standard option. It doesn't look like the MS3 flange -> v-band adapter would work either because I'd be working with a very limited amount of space.
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 Old 09-19-2012, 08:55 PM   #95
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@Raider.......this isn't a sticky anymore??
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 Old 09-20-2012, 04:58 AM   #96
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Not sure whathappened, but it is fixed

Discuss::
http://www.mazdaspeedforums.org/foru...-thread-99627/

Last edited by Raider; 09-20-2012 at 04:58 AM. Reason: MSF Database - Automerged Doublepost
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