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Old 08-17-2005, 04:28 PM   #1
projectrally
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Default RS header vs. WRX header...

Okay, so it looks like my turbo is fried and I've gotta replace it. The previous owner turbo'd the car, and ran a custom up-pipe from the stock RS headers to the VF10 turbo. The up-pipe was made of mild steel, and is a rusted Piece of crap. So, as long as I'm going to replace the turbo, I'd like to replace the up-pipe.

So, my question is: How similar are the designs of the stock RS and WRX headers? Will a prefab up-pipe designed for use with the WRX headers fit the RS headers as well, or do I have to get a custom pipe made?
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Old 08-17-2005, 07:28 PM   #2
ai42
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I'm going to say it's more trouble than it's worth. WRX headers form my understanding are totally diffrent to the GC6 setup and require the WRX engine crossmember to use.
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Old 08-17-2005, 07:43 PM   #3
no-coast-punk
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It has nothing to do with a GCx/GDx chassis difference. All the turbo motors use a similar style of header, all the NA motors use a different style. Unless you get an upipe from the same kit that yours came off of a WRX one probably will not fit. You can use any turbo crossmember. A brand new Legacy turbo x-member is less than $200 from the dealership. Most of the aftermarket kits I have seen do not place the turbo in the stock turbo location either. Your downpipe may not fit either after you replace the up pipe/x-member
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Old 08-18-2005, 11:29 AM   #4
projectrally
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turbo XS mid and downpipes fit now. I'll just have to get a custom up-pipe, i suppose. Thanks, no-coast.
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Old 08-18-2005, 01:05 PM   #5
Joncas2
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Another word of caution: If you have 99 RS with SOHC, most WRX up-pipes will not clear the rear of the cylinder head. The 98's are a little easier as the head has a notch much like the those on the WRX. It may still require a little work despite a Legacy Crossmember.

Good luck.
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