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Subaru NA headers

Started by Scuba-Roo, Mar 14 2011 04:43 PM

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#81 Scott

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Posted 01 June 2013 - 09:27 PM

Gen2 with the ej25 motor has the different design

ej22 is the easy one

#82 rhysneilblack

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Posted 12 June 2013 - 04:41 PM

i have the ej22.


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#83 CRUISN

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Posted 13 June 2013 - 09:24 PM

Cbf reading the previous pages to see if its been covered, but for the Gen2 2.5, a GC8 WRX exhaust manifold is a direct bolt on and unequeal length in design.

 

My Gen2 Outback sounds like a WRX currently. :D

 

For the 2.2, just get some off Ebay.......

 

http://www.ebay.com....#ht_4070wt_1328


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#84 Mitch.

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Posted 13 June 2013 - 10:57 PM

Cruisin speaks the truth.

 

As for the gen 2 2.5l, the wrx headers also need a new bung for the o2 sensor as they don't have one. I'd also recommend using OEM GC8 WRX headers as the flange that mates up with the the up-pipe (or the rest of the exhaust on an NA 2.5l) on aftermarket headers can differ and may not bolt up to the rest of your exhaust. 


#85 CRUISN

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Posted 18 June 2013 - 11:09 AM

Cruisin speaks the truth.

 

As for the gen 2 2.5l, the wrx headers also need a new bung for the o2 sensor as they don't have one. I'd also recommend using OEM GC8 WRX headers as the flange that mates up with the the up-pipe (or the rest of the exhaust on an NA 2.5l) on aftermarket headers can differ and may not bolt up to the rest of your exhaust. 

My GC8 headers had the o2 bung in there, exact position as the ej25 headers. I dont know what specific year they are, just stated GC8 when bought. 

 

Im going to go WRX headers now, just for giggles. May as well do the whole system. :D

 

This set, meant to be bolt up to oem up pipe...

 

http://www.ebay.com....984.m1438.l2649


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#86 Mitch.

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Posted 18 June 2013 - 11:57 AM

Good to know. mine were off either a 99 or 2000 model wrx but had no bung. If i remember right the bung was on the up-pipe.

#87 CodeBurn3r

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Posted 18 June 2013 - 12:13 PM

Im going to go WRX headers now, just for giggles. May as well do the whole system. :D

 

AKA Because I'm secretly building a boosted outback that the missus cant find out about

 

http://www.ebay.com....984.m1438.l2649

 

FIXED


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#88 CRUISN

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Posted 18 June 2013 - 12:28 PM

Not going boosted right atm...

 

I dont hide my car stuff from the missus. She knows what Im like. :lol:


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#89 Adam

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Posted 25 July 2013 - 08:03 PM

MARK Did you ever get those headers??? Your inbox is full btw :)


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#90 Scuba-Roo

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Posted 25 July 2013 - 10:46 PM

Probably not lol and it should be clear a bit now :)

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#91 Adam

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Posted 26 July 2013 - 07:29 AM

Sorry, wrong Mark :P

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#92 Scuba-Roo

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Posted 26 July 2013 - 11:41 AM

Haha whoops

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#93 CRUISN

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Posted 29 July 2013 - 12:27 PM

Still waiting on them....... apparently the batch had leaking welds? I said send it over cheaper and I'll reweld it at work. :D

 

Still waiting....... Its only been 12 days though since purchase.


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#94 Melv

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Posted 29 July 2013 - 11:04 PM

I want headers for my 08+ NA, but apparently SOHC so none available?


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#95 Samwise

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Posted 29 July 2013 - 11:06 PM

I want headers for my 08+ NA, but apparently SOHC so none available?

 

The EJ25 in the Gen 3 is SOHC and plenty available..


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#96 Melv

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Posted 30 July 2013 - 09:56 AM

 

The EJ25 in the Gen 3 is SOHC and plenty available..

 

Its not a EJ25 for the 08+ Impreza NA's but EJ20's :(


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#97 bobbyjimmy

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Posted 30 July 2013 - 03:13 PM

Look on NASIOC in the Naturally Aspirated forum, lots of talk etc about different headers (custom, off shelf etc).


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#98 orginalshifter

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Posted 14 October 2013 - 08:38 PM

hey guys, i dont know much about the whole exhaust system but i just recently purchased a 97 rx and one mate of my mates has a gx with uel headers and a 2.25" catback system and sounds amazing.. but my other mate claims that a slip on 3" exhaust pipe will make the same noise? is he joking or not?


#99 nickknack

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Posted 14 October 2013 - 08:53 PM

It will not have the boxer rumble without the UEL headers. 


#100 Adam

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Posted 14 October 2013 - 09:32 PM

He is joking

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