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Old 07-14-2005, 04:02 AM   #1
shinjyo
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Member#: 25808
Join Date: Oct 2002
Chapter/Region: SCIC
Location: South California(SD-OC-LA)
Vehicle:
2003 Impreza RS
STI---->Prodrive

Default Will 04+STI Catback fit 03RS??

DO you need some modification on that??
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Old 07-14-2005, 12:31 PM   #2
piker28
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Join Date: Aug 2002
Location: north nj
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YES you do need modification to make it work
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Old 07-14-2005, 02:18 PM   #3
Impreza2003
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Join Date: Jul 2004
Chapter/Region: Tri-State
Location: UAlbany - Brooklyn
Vehicle:
2003 2.5RS BRP
SQC 189

Default

it will not fit

yes too much modification, dont waste your $
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Old 07-14-2005, 02:21 PM   #4
ej25power
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Join Date: Jan 2002
Chapter/Region: NWIC
Location: Washington's Mexico aka Tigard
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02 RS
All Silver!

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I don't think it would be a waste of money. When I had my WRX catback modified, it only cost me 20 for the work. If you can get an STi catback really cheap, go for it.

I personally would get the STi axle back and a WRX midpipe if you wanted to do this. The piping on the STi is a little big for our cars.

It'll sound sweet too

Geoff
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Old 07-14-2005, 04:28 PM   #5
Impreza2003
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Chapter/Region: Tri-State
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2003 2.5RS BRP
SQC 189

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i like my greddy evo, i payed $270 shipped for it.

i'd worry about exhaust leeks and etc with welding a flange on
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Old 09-26-2005, 05:00 PM   #6
Aarron_M
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Join Date: Aug 2004
Chapter/Region: RMIC
Location: Colorado Springs, CO
Vehicle:
2013 STI
SWP

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What about the sti catback needs to be modified to bolt onto a 2.5RS?
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Old 09-26-2005, 05:56 PM   #7
DreddRS25
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Chapter/Region: TXIC
Location: San Antonio, Texas
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2001 Impreza RS
BRP

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The pipes are different diameters, so you'll need some sort of adapter.

The flanges are also at different orientations.

Usually takes hacking off the end of the stock midpipe and welding that to the STi catback.
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Old 09-26-2005, 06:30 PM   #8
svek
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Location: koledge at csus
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1999 impreza 2.2L
Brilliant Red <4EAT Club>

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it cost like 50 bucks at a muffler shop to get it done.
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