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Old 07-21-2006, 08:12 PM   #1
fireman2101
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Member#: 106221
Join Date: Jan 2006
Chapter/Region: RMIC
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2006 OBS
steel grey

Default '06 catback

Does anyone know whats years WRX catback will fit a '06 2.5i? Is it only the '06 or do other years work? Also what are the size of the exhaust for the different years(if there are different)?
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Old 07-22-2006, 02:27 AM   #2
GD6Noob
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i believe the 05s will work...

try using the serach button, there are a few theards about how to increase power on the 2.5i subies..
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Old 07-22-2006, 02:35 AM   #3
semaj
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None of the years of WRX catback will bolt right up...they will ALL be about 3" too short in the midpipe, and the flange will be rotated the wrong way. That being said, ALL of the WRX axlebacks will bolt up to the 2.5i...so if you get a WRX catback: 1) get the midpipe lengthened, and the flange rotated, and 2) bolt on the axleback....done!
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Old 07-22-2006, 02:36 AM   #4
semaj
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Quote:
Originally Posted by GD6Noob
i believe the 05s will work...

try using the serach button, there are a few theards about how to increase power on the 2.5i subies..
Hey GD6Noob...how come we haven't met??? Same car, same city, same VIC forum....yet I haven't seen you before! Welcome!
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Old 07-22-2006, 05:30 PM   #5
GD6Noob
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Quote:
Originally Posted by SubieDrift
Hey GD6Noob...how come we haven't met??? Same car, same city, same VIC forum....yet I haven't seen you before! Welcome!
haha hey i just got my car and got onto this site..

mines a stock white 2.5i..

nice to meet you...
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Old 07-22-2006, 06:35 PM   #6
AlpoRS
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i thought that all 06's had the same exhaust set up except for diameter. I am not 100% on that though
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Old 07-22-2006, 07:49 PM   #7
J-Chow
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Quote:
Originally Posted by AlpoRS
i thought that all 06's had the same exhaust set up except for diameter. I am not 100% on that though
It's a different story if you are talking about axelbacks and catbacks for the 06' imprezas. All 06' axelbacks are interchangable without any issues. Catbacks on the other hand require modifications.
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Old 07-22-2006, 03:54 AM   #8
redwagon
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DGM

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If you have an STi or WRX catback you can cut the downpipe just before the second cat and your original cat pipe between the two cats. The two then line up perfectly and just need a reducer to be able to weld them together.

IOW:

n/a header > n/a catpipe (splice) turbo downpipe > turbo midpipe > turbo axleback
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Old 07-22-2006, 09:17 PM   #9
GD6Noob
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Aspen White

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like i mention, grab the muffler off a wrx or sti and make a cutom midpipe
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