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2008 sti 2nd cat emissions

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Old 26 March 2016 | 02:48 PM
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Default 2008 sti 2nd cat emissions

Hi,if I was to run a decat downpipe, could I put in a sports cat where the 2nd cat is to make it mot legal?
Old 26 March 2016 | 02:49 PM
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Or will it not get hot enough? Regards Peter
Old 26 March 2016 | 05:28 PM
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You'd be best off finding a supply and fit company who take car of MOT's and getting one price for all.
Old 26 March 2016 | 05:37 PM
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I'm ok for mot's.. It's just I can get a decat downpipe at a good price,so just wondered if putting in a high flow cat where the 2nd one was would be enough?
Old 26 March 2016 | 05:46 PM
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The reason for the above was because they'd have the best understanding of it and have probably done it before.

Hopefully someone who's done it will be along shortly for you.
Old 26 March 2016 | 06:05 PM
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Think you will struggle to get it hot enough usually need the downpipe cat and can remove the ones after that, find a friendly mot man or fit a downpipe cat for mots
Old 26 March 2016 | 09:15 PM
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Thankyou markfey I do appreciate your advice .. Oh abd that was what I was thinking Jay. I'm a tester anyway and know how hard it can be with some of the older cars with lower back cats.

Last edited by raly-pete; 26 March 2016 at 09:16 PM.
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