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Old 04-15-2005, 12:34 PM   #1
Scooby Newbie
Member#: 25068
Join Date: Sep 2002
Default 05 WRX Exhaust

I tried searching for an answer to this, but has anyone put an 05 wrx catback on their rs/ts? Is the piping 2.25" like the older dual tip wrx exhaust, or is it 2.5"? And do you still only have to rotate the flange to make it fit? Thanks.
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Old 04-15-2005, 12:59 PM   #2
Scooby Guru
Member#: 52324
Join Date: Jan 2004
Chapter/Region: NESIC
Location: Pelham, NH
2011 WRX LTD (FS)
1990 T30 miata


may i be the first to say:

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Old 04-15-2005, 01:59 PM   #3
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Member#: 70234
Join Date: Sep 2004
Chapter/Region: Tri-State
Location: NYC
MY86 BMW E30 325
SCIC/NWIC tranplant (-_-)


so there's no confusion:

05 wrx axle-back

although, this is rough measurement (no caliper). the axle-back inlet is effectively less than 60mm which is about 2.36". still that's not bad for a factory size.

however, look at this nice taper.

so in reality most of the piping is around 50mm.
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Old 04-15-2005, 05:03 PM   #4
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Member#: 61888
Join Date: May 2004
Chapter/Region: SCIC
Location: San Gabriel, CA
2003 Outback Sport
Midnight Black Pearl


what my shop had to do was, cut the flange at the start of the mid-pipe, add a flange from a rs/ts/obs, flare the flange, weld.

works and sounds great... although, the note isn't my ideal. i'm going to have a mid-pipe made with a different resonator.
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