Ej25 headers mistake.

Posts specific to the 2.5 litre NA engine

Ej25 headers mistake.

Postby Bretts » Tue Sep 15, 2020 6:53 pm

Hi need some help i believe i have made a mistake in a purchase of uel headers. I messaged the seller to be told these are correct but after looking today I realise they prob won't work as it cuts out the cat located on original headers. Need some help or info on what to do i believe if installed it will work cutting out the cat etc but would have to re locate an o2 sensor which im guessing the comp won't like.
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Re: Ej25 headers mistake.

Postby Bretts » Wed Sep 16, 2020 6:42 am

Forgot to mention I have a gen 4 subaru liberty 2006
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Re: Ej25 headers mistake.

Postby Bretts » Wed Sep 16, 2020 7:27 am

After doing some research its looking like i should have bought ones suited to the impreza?
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Re: Ej25 headers mistake.

Postby bigBADbenny » Wed Sep 16, 2020 8:29 am

Not sure but vaguely interested.
Pity I’m not allowed to mod our 2.5i...
But since its not tuneable easily if at all, I’ll just stick to cat back mods if anything.

I asked the question on FB...
https://m.facebook.com/groups/107835545 ... composer=0
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Re: Ej25 headers mistake.

Postby bigBADbenny » Wed Sep 16, 2020 11:35 am

Image

See the FB post for details, you need a cat, O2 sensor bung, O2 sensor extender,
and optional catback...

Universal M18x1.6 o2 Oxygen Sensor EXTENSION Spacer Stainless Steel
https://www.ebay.com.au/itm/30351157152 ... Track=true
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Re O2 sensor:
my mechanic spliced into the original wiring and extended it
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