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Downpipe for Evo 3 O2


4orced4door Galant VR4.org Moderator
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Galant VR-4 org Post #: 527500 posted 08/29/07 03:26 PM     Remind Me!  Send Private Message   Edit Post      
I could've sworn I found a 3" downpipe that was flanged to match the angle of the Evo 3 O2 housing. Now I can't find it! Does anybody know what I am thinking of, or was I just dreaming?



'17 GTI Sport, '02 V70
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JNR
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Galant VR-4 org Post #: 527501 posted 08/29/07 03:29 PM     Remind Me!  Send Private Message   Edit Post      
My 3" ExtremeJunkSports Downpipe matches the EVO 3 O2 housing, but there is a flex section (not that braided SS looking thing, but a convulated section) on the pipe and the flange is slotted, so maybe it can work on either one?

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Gary_Chiu
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Galant VR-4 org Post #: 527502 posted 08/29/07 03:29 PM     Remind Me!  Send Private Message   Edit Post      
http://www.roadraceengineering.com/eclexhaust.htm



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boostedinaz
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Galant VR-4 org Post #: 527504 posted 08/29/07 03:31 PM     Remind Me!  Send Private Message   Edit Post      
Damn you and your fast posting. ^^^^^

http://www.roadraceengineering.com/eclexhaust.htm


Edited by boostedinaz (08/29/07 03:32 PM)

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4orced4door Galant VR4.org Moderator
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Galant VR-4 org Post #: 527506 posted 08/29/07 03:39 PM     Remind Me!  Send Private Message   Edit Post      
Yes, the one place I forgot to look! Thanks!



'17 GTI Sport, '02 V70
96/1000, 229/1000, 1788/2000... a long time ago

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G Galant VR4.org Moderator
JDM Unit
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Galant VR-4 org Post #: 527567 posted 08/29/07 05:37 PM     Remind Me!  Send Private Message   Edit Post      
Quote:

http://www.roadraceengineering.com/eclexhaust.htm




That's 2.5" - 3" though.



www.japanesenostalgiccar.com
www.nostalgic.co.jp

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belize1334
well bread and nobly conceived
1334/2000


Galant VR-4 org Post #: 527572 posted 08/29/07 05:44 PM     Remind Me!  Send Private Message   Edit Post      
The guys at RRE know their stuff. I think that thing will flow just as well as they say it will.

On a side note, does anyone other than Certified Muffler make a full 2.5" downpipe for us? Everything I see is either full 3" or 2.5" in, 3" out.



Roger B. Scott
'91 Belize Green

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crankwalk
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Galant VR-4 org Post #: 527626 posted 08/29/07 07:34 PM     Remind Me!  Send Private Message   Edit Post      
^2.5 in 2g awd bolts up without a hitch.


Edited by crankwalk (08/29/07 07:35 PM)

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CP
Still lingering, kinda like a chili and beer fart


Galant VR-4 org Post #: 527632 posted 08/29/07 07:46 PM     Remind Me!  Send Private Message   Edit Post      
Quote:

The guys at RRE know their stuff. I think that thing will flow just as well as they say it will.

On a side note, does anyone other than Certified Muffler make a full 2.5" downpipe for us? Everything I see is either full 3" or 2.5" in, 3" out.




I've got a stainless full 2.5" from Buschur.



-Cy
Resident Spec Miata Racer | '93 Audi UrS4 | '04 Ram CTD | #1788/2000: SOLD

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belize1334
well bread and nobly conceived
1334/2000


Galant VR-4 org Post #: 527642 posted 08/29/07 08:07 PM     Remind Me!  Send Private Message   Edit Post      
Awesome. I'm assuming that it's stock replacement (i.e. flanges), yes?



Roger B. Scott
'91 Belize Green

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belize1334
well bread and nobly conceived
1334/2000


Galant VR-4 org Post #: 527646 posted 08/29/07 08:15 PM     Remind Me!  Send Private Message   Edit Post      
Wow, I just went to the certified muffler page to compare price, and it's gone. It's been replaced by http://www.cmperformanceexhaust.com/ and they no longer list options for the DSM community at all. They have a catagory for the GVR4, but it's empty. Somanabatch!!!



Roger B. Scott
'91 Belize Green

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crankwalk
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Galant VR-4 org Post #: 527665 posted 08/29/07 08:45 PM     Remind Me!  Send Private Message   Edit Post      
I always thought that was way overpriced for pipe and a muffler. Go to a reputable muffler shop or especially a speed shop that can make you one. I know 4gperformance up here has awesome exhausts for good prices.

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91GVR4
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Galant VR-4 org Post #: 528813 posted 08/31/07 10:21 PM     Remind Me!  Send Private Message   Edit Post      
I am running the RRE EVO3 DP on my SBR GT10. Flows great, matches up great, no more exaust leaks. A quality unit that fits great. I got the long version of it for use with out a cat. My local muffler shop cut and matched it to my existing 3" SS exaust.



Nate Taylor
91 Beleze Green
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Looking to sell it, check the for sale pages.

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HHIVR4
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Galant VR-4 org Post #: 528814 posted 08/31/07 10:33 PM     Remind Me!  Send Private Message   Edit Post      
Most 1g awd downpipes will work fine with the E3 O2 housing but it changes the angle of the rear flange vs stock so it doesnt work with most off the shelf cat backs.
No big deal to cut it off and realign it for any shop.

Most of the ebay o2 dump pipes are angled the same as the E3.


Edited by HHIVR4 (08/31/07 10:36 PM)

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boostedinaz
Fatty McButterpants
1101/2000


Galant VR-4 org Post #: 528829 posted 09/01/07 12:20 AM     Remind Me!  Send Private Message   Edit Post      
Quote:

Quote:

http://www.roadraceengineering.com/eclexhaust.htm




That's 2.5" - 3" though.




From the description on the page. They even give an explantion as to why they do this.

Quote:

Our DPs have a 2 1/2" stainless steel first bend with a 2 1/2" stainless steel flex section. They then expand to 3" right after the flex section right under the oil pan area.




Edited by boostedinaz (09/01/07 12:21 AM)

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ken inn
BJ Titsengolf lifer


Galant VR-4 org Post #: 528866 posted 09/01/07 06:26 AM     Remind Me!  Send Private Message   Edit Post      
Quote:

I am running the RRE EVO3 DP on my SBR GT10. Flows great, matches up great, no more exaust leaks. A quality unit that fits great. I got the long version of it for use with out a cat. My local muffler shop cut and matched it to my existing 3" SS exaust.




i did this too. when i first got the evo housing, the certified downpipe for the stock housing was smack up against the transfer case. so i had to put the old housing back on. then, i got another certified downpipe, supposedly made for the evo housing. it was worse. change out the housing AGAIN. by this time, i was HOT. i specifically said evo housing, different flange, different angle. he said, yup, different flange, different angle. someone on this board was the go between. i sent it back, it took almost a year to get a refund. then i asked rre about their pipe, and they guaranteed it would fit, but only bolt up to an apexi exhaust. it fit perfect. it was everything they said it was, and exactly what it was not. i had to jury rig the back end, took it to a muffler shop, and they finished it. for a street car, it aint worth the bother. go with the rre.



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4orced4door Galant VR4.org Moderator
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Galant VR-4 org Post #: 528868 posted 09/01/07 06:32 AM     Remind Me!  Send Private Message   Edit Post      
So the RRE Evo 3 downpipe only works with Apexi exhaust? Why is that? It seems like if it'll work with one catback it should work with any of them. Why would Apexi's flange be any different?



'17 GTI Sport, '02 V70
96/1000, 229/1000, 1788/2000... a long time ago

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boostedinaz
Fatty McButterpants
1101/2000


Galant VR-4 org Post #: 528888 posted 09/01/07 08:19 AM     Remind Me!  Send Private Message   Edit Post      
Most companies make there catback fit there downpipe. IF they choose to use a different type of flange or roatte it a bit more then other then so be it. Unfortunatly there is no standard location or orientation.



Michael
The rebuild of 1101

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ken inn
BJ Titsengolf lifer


Galant VR-4 org Post #: 528891 posted 09/01/07 08:37 AM     Remind Me!  Send Private Message   Edit Post      
Quote:

So the RRE Evo 3 downpipe only works with Apexi exhaust? Why is that? It seems like if it'll work with one catback it should work with any of them. Why would Apexi's flange be any different?




the rre pipe is flanged/cut to fit the apexi exactly. rre tells you this up front. rre dont know what other exhaust systems it will bolt up to, but they KNOW it will bolt up to an apexi. i dont mind stuff like this, as long as i know going in what to expect. my bitch is that certified LIED to me, and i had to waste a lot of time and money. and all i got was grief when i returned the pipe.



A Veteran is some one who at one point in his or her life wrote a blank check made payable to the government for any amount up to and including my life.

Remember Freedom is not Free!

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4orced4door Galant VR4.org Moderator
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Galant VR-4 org Post #: 528932 posted 09/01/07 12:44 PM     Remind Me!  Send Private Message   Edit Post      
Quote:

Most companies make there catback fit there downpipe. IF they choose to use a different type of flange or roatte it a bit more then other then so be it. Unfortunatly there is no standard location or orientation.




Ahh... I guess I assumed that all catbacks for our cars were made to match the stock flange's orientation. I guess not! I've only ever bought turboback setups in the past so I guess I just never ran into it.

Thanks for the info Ken!



'17 GTI Sport, '02 V70
96/1000, 229/1000, 1788/2000... a long time ago

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boostedinaz
Fatty McButterpants
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Galant VR-4 org Post #: 528942 posted 09/01/07 01:42 PM     Remind Me!  Send Private Message   Edit Post      
Most big companies like Apex and Greddy will make it line up with the stock DP because more people will be inclined to buy at least the catback first. In reality it is hit or miss unless it is confirmed like RRE does.



Michael
The rebuild of 1101

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NuggetMonkey
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Galant VR-4 org Post #: 648140 posted 05/19/08 06:59 PM     Remind Me!  Send Private Message   Edit Post      
Digging up old thread..Sorry I searched..How do I get my megan 3" dp to work with evo 3..I am about to throw my ratchet threw the windshield...About to go buy some cheap o2 housing off ebay or from beaner. Any advice any experience let me know..
Thanks
Jon

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atc250r Galant VR4.org Moderator
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Galant VR-4 org Post #: 648144 posted 05/19/08 07:01 PM     Remind Me!  Send Private Message   Edit Post      
You probably need to cut the flange off and re-weld it at a different angle. BTW I moved this to "Tech", I don't know why it wasn't moved there the first time around.

John



"...if they're so into masochism, they should just really go all out and start modifying Mitsubishis. And using them as daily drivers." - Mike R.

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NuggetMonkey
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Galant VR-4 org Post #: 648197 posted 05/19/08 09:35 PM     Remind Me!  Send Private Message   Edit Post      
All that trouble maybe I just buy a diff o2 housing..And sell the evo III ..Its a shame cause it seemed to make the turbo come to life or maybe that is cause there is no exhaust attached..hahhahha

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ktmrider
Cool Guy Crowd


Galant VR-4 org Post #: 648202 posted 05/19/08 09:40 PM     Remind Me!  Send Private Message   Edit Post   
Quoting atc250r:

You probably need to cut the flange off and re-weld it at a different angle. BTW I moved this to "Tech", I don't know why it wasn't moved there the first time around.

John


This is what I found on the DSM sites too. SOME ( not all ) DP's need the flange cut and welded at an angle to match the outlet of the O2 ( EVO3 on Lancer platform had different DP route ).



Mike O.
#464/1000 - Sold
05 Legacy GT - slush box
#86/2000 - Sold ( again )


Edited by ktmrider (05/19/08 09:41 PM)

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