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Old 06-17-2010, 05:16 PM   #1
AndrewFD3
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Member#: 210458
Join Date: May 2009
Location: Phoenix AZ
Vehicle:
2003 wrx built ej207
Rally blue

Default vf37 owners

I'm currently in the process of swapping a vf37 twin scroll on to my v7. My question is:

1) I already have the twin scroll headers and mid pipe all on, what will I need to do to be able to use a stock exhaust that will mate to the twin scroll down pipe?

2)Anyone know of any aftermarket downpipes for the twin scroll? I tried ebay but I really couldnt fine anything. Let me know thanks1
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Old 06-17-2010, 06:58 PM   #2
suberdave
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Chapter/Region: NWIC
Location: Covington, WA
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88 GL-10 STi
silver

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i just took the stock castiron bellmouth from the VF37 and welded an aftermarket 3" downpipe onto the bellmouth. i pretty sure the stock VF37 downpipe will bolt to your stock midpipe.

-=Suberdave=-
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Old 06-23-2010, 04:17 PM   #3
prokaw875
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Location: North Eastern, Conn.
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GG Outback Sport
Version 8 EJ207

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for exhausts the few i know of are tomei, miltek, zerosports, and AVO... but there all around $1000. your best bet is going to be buy a bell mouth downpipe... NOT cast, gotta be stainless, and buy the IA Performance Twin Scroll flange and custom make on.
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Old 06-24-2010, 12:25 PM   #4
prokaw875
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GG Outback Sport
Version 8 EJ207

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And 110% confirmed once if you have an OEM JDM Twin Scroll Downpipe on your car it will bolt right up to any USDM Spec Length Exhaust... which is anyone you most likely can find.
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Old 06-24-2010, 02:35 PM   #5
suberdave
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Quote:
Originally Posted by prokaw875 View Post
for exhausts the few i know of are tomei, miltek, zerosports, and AVO... but there all around $1000. your best bet is going to be buy a bell mouth downpipe... NOT cast, gotta be stainless, and buy the IA Performance Twin Scroll flange and custom make on.
Why do you say it must be stainless and not cast?

-=Suberdave=-
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Old 07-07-2010, 08:05 PM   #6
25rstautoxr
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99 RS Asphalt-01RS
Dirt-01 Forester swapped

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Quote:
Originally Posted by prokaw875 View Post
gotta be stainless, and buy the IA Performance Twin Scroll flange and custom make on.
This is what I did. It takes some fumbling around to make it work.

Clutch started slipping after the install. More power!
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