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Old 09-06-2010, 09:52 PM   #1
TheSeventhTrumpet
Scooby Newbie
 
Member#: 257023
Join Date: Sep 2010
Chapter/Region: W. Canada
Location: Sherwood Park, AB
Vehicle:
2010 Impreza 2.5i
Spark Silver Metallic

Default 2010 hatchback

I am new here and have a question about the hatchback, and I apologize if this is a repeated question but I have searched up and down to no avail.

Will an after market WRX cat back fit my n/a? Or does it route the cat connector differently?

Thanks
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Old 09-06-2010, 10:08 PM   #2
nairbmik
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Member#: 220259
Join Date: Aug 2009
Chapter/Region: MAIC
Location: HoCo & College Park
Vehicle:
09 2.5i
SSM

Default

The catback section should fit, yes. However some will likely need custom fab to make fitment perfect.
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Old 09-06-2010, 10:10 PM   #3
smokeyandthebandit05
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Member#: 219940
Join Date: Aug 2009
Chapter/Region: Tri-State
Location: The Real North NJ
Vehicle:
2012 Forester
Silver

Default

Mine bolted up with almost no problems. The bolts for where it goes onto the cat flange needed to be slightly drilled out and I had to remove that heat shield for an easier install but other than that it was an easy swap if you have access to a lift. I also have a 2010 hatch
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Old 09-06-2010, 10:14 PM   #4
TheSeventhTrumpet
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Member#: 257023
Join Date: Sep 2010
Chapter/Region: W. Canada
Location: Sherwood Park, AB
Vehicle:
2010 Impreza 2.5i
Spark Silver Metallic

Default

Awesome thanks for the info. I'm looking into the Perrin catback for the WRX.
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Old 09-06-2010, 10:43 PM   #5
Ogden
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Member#: 1748
Join Date: Jun 2000
Chapter/Region: NESIC
Location: Boston, MA, USA
Vehicle:
'09 Outback Sport
OBP over DGM

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I would read the sticky about exhaust for the NA cars at the top of this sub forum.

Many people have found that aftermarket cat-backs for the WRX have piping that is too big for the NA cars, and that while they gain sound, they lose low-end power.
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Old 09-13-2010, 08:06 PM   #6
Abill10
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Member#: 247862
Join Date: May 2010
Chapter/Region: MWSOC
Location: Illinois
Vehicle:
2010 Impreza Hatch
OBP

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i have spent countless hours looking at this question. i drive a black 2010 hatch and most of the WRX aftermarket pipes are to big for the 2.5i. we lose a lot of low end power but gain sound. thats just what i have found out so far. hopefully this helps!
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Old 09-13-2010, 09:19 PM   #7
iRazor
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Member#: 257035
Join Date: Sep 2010
Chapter/Region: South East
Location: Ocala, FL
Vehicle:
2017 WRX/STi
Pure Red

Default

curious myself as well i drive the 2.5 sedan and was wondering if a 2.5' exhaust for wrx sedan would bolt up w/o problems (id be doing it myself and limited on tools) and if it would be too big and end up losing power.... but the stock catback is 2,25' and if i buy the borla 2.25' whats the point really?
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Old 09-13-2010, 11:17 PM   #8
smokeyandthebandit05
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Member#: 219940
Join Date: Aug 2009
Chapter/Region: Tri-State
Location: The Real North NJ
Vehicle:
2012 Forester
Silver

Default

On my 2010 OBS I put on a 3" Cat back and to be honest I havent really noticed any major losses. In the rare occurrence I have the A/C on it is a dog but other than that it seems like the same car with the stock exhaust. I do notice it starts pulling harder around 4k but that could just be the power band...idk
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