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 Post subject: SPI Mini De-Cat.
PostPosted: Mon Sep 25, 2017 9:04 pm 
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IMOC Paid Member

Joined: Thu Oct 10, 2013 10:17 pm
Posts: 43
Whats your location?: Sligo
Region: Western
Is replacing the cat with a De-cat pipe a safe option ? The cat needs replacing anyway, so this and the N.C.T. aside are there any other issues which may arise ? is it a straight swop or is there adjustments needed afterwards ? Any Help greatly appreciated.


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 Post subject: Re: SPI Mini De-Cat.
PostPosted: Tue Sep 26, 2017 11:51 am 
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NON Member
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Joined: Tue Jul 18, 2006 11:15 pm
Posts: 2075
Whats your location?: Dún Laoghaire, Dublin
Region: Eastern
What Minis have you?: '93 SPi cooper
Location: Dún Laoghaire, Dublin
I put a decat pipe on my '93 SPi shortly after I bought it some time back.
Very easy swap, bolts may be rusty though, mine weren't. Depending on your circumstances, you might ask your local exhaust garage to do it for you. 10 minute job.
Never had any problems but it's not been near an NCT.
I have read that it *might* be possible to achieve the emmisions threshold with no cat on an SPi but I have no proof of that.
I decatted to save the cat, plan was to bolt it on before testing then put it back on the shelf for the year.
K

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 Post subject: Re: SPI Mini De-Cat.
PostPosted: Tue Sep 26, 2017 6:14 pm 
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IMOC Paid Member
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Joined: Mon Feb 07, 2005 11:55 pm
Posts: 2612
Whats your location?: Drogheda
Region: Eastern
What Minis have you?: Traveller
Turbo
Hornet
Equinox
MINI Clubman
Location: LOUTH
Many people have done it with no reported problems as far as normal driving is concerned.
As for the NCT , I have not heard of anybody passing a SPi without the cat.
Carb minis up to '94 with the cat have a special NCT allowance of 3.5% CO2 and I think they can get through without it.

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