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WRX v STI OEM manifolds

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Old 07 June 2011, 06:10 PM
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FFForester
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Default WRX v STI OEM exhaust manifolds
Any difference between the OEM wrx and sti exhaust manifolds for 2004 models and if so would there be any benefit installing sti one on wrx.
Planned upgrades on my 04 wrx wagon are VF35 turbo (or similar), sti or classic up pipe, decat one piece downpipe, sti pink injectors, 255lph fuel pump and maybe sti top mount and remap.

Thanks, John
Last edited by FFForester; 07 June 2011 at 06:42 PM.
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Old 07 June 2011, 06:32 PM
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Yep, It's painted red
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Old 07 June 2011, 06:35 PM
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FFForester
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Sorry, meant the exhaust manifold
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Old 07 June 2011, 07:53 PM
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wr pete
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Don't think there is any diference other than cat in wrx up pipe
could be wrong though
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Old 07 June 2011, 08:00 PM
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Talk to harvey on here about his ported and wrapped headers and uppipe, they'll improve the spool noticeably
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Old 07 June 2011, 08:05 PM
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No difference in WRX or STI headers apart from the catted uppipe on the WRX
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Old 07 June 2011, 10:30 PM
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FFForester
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Cheers
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Old 09 June 2011, 09:58 AM
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Headers, WRX/STi are identical.
As Gaz says above WRX has CAT in uppipe.
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