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Decat Downpipe advice
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Old 16 Nov 2011, 12:23 AM   #1 (permalink)
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Decat Downpipe advice

Hi, Im looking for a decat downpipe for my hawkeye 07. Is it possible to get one that only removes the first cat? Trying to avoid MOT hassle in a years time...
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Old 16 Nov 2011, 12:41 PM   #2 (permalink)
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Re: Decat Downpipe advice

You can remove either the downpipe or rear cat.

Stainless Steel Subaru Exhausts and Manifolds

Both parts are on this page

If you have a wrx (not sti) you will need to decat the uppipe also.

Remap straight away after installing these parts
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Old 22 Nov 2011, 01:13 PM   #3 (permalink)
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Re: Decat Downpipe advice

Cheers for the reply. Arn't the uppipes already decatted on the hawkeye models?

Current mods are catback scorpion, cosworth panel and looking at afterburner decat downpipe then remap

What kind of gains do i expect to recieve and any other mods i will need?
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Old 22 Nov 2011, 05:29 PM   #4 (permalink)
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Re: Decat Downpipe advice

Is it a wrx or sti?
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Old 22 Nov 2011, 07:15 PM   #5 (permalink)
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Re: Decat Downpipe advice

It's a wrx
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Old 22 Nov 2011, 07:28 PM   #6 (permalink)
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Re: Decat Downpipe advice

A wrx still has the uppipe cat. I'd say you would go up 40 - 45 bhp with those mods but do the uppipe too.
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