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Old 23 May 2005 | 06:24 PM
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Default downpipe decat

i am thinkin of putting a decat downpipe on my 99 uk spec, is it just a case of getting it fitted or will i start to have running problems, if so what else do i need to do?
Old 24 May 2005 | 09:33 AM
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You should be OK decatting a classic.

Steve
Old 24 May 2005 | 07:30 PM
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so i wont need to get it remappped then?? will it still pass an mot with th decat fitted?

Last edited by besty6543; 24 May 2005 at 08:12 PM.
Old 24 May 2005 | 09:24 PM
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You won't pass an MOT with a full decat but if you re-install the centre cat and get it nice and hot it might pass.

Steve
Old 24 May 2005 | 10:50 PM
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cheers mate any idea how much extra power i will gain by taking the front cat off
Old 24 May 2005 | 10:53 PM
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Someones bound to qoute me wrong but I was under the impression that a full decat should release 20bhp

Shoudl get better throttle response and turbo spool up will be more obvious so im told

Old 24 May 2005 | 11:18 PM
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I decated my old '97 classic - downpipe only. Passed the MOT with flying colours and spooled up a lot faster. I'm not sure if it made any more power but it was a hell of a lot nicer to drive.
Old 24 May 2005 | 11:40 PM
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thanks alot guys! 1 final question any ideas which decat pipe i should buy and prices(as you will all be able to tell i havent had my scooby long)
Old 25 May 2005 | 09:23 AM
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Originally Posted by ScoobyTom
I decated my old '97 classic - downpipe only. Passed the MOT with flying colours and spooled up a lot faster. I'm not sure if it made any more power but it was a hell of a lot nicer to drive.
You must have left the centre pipe cat in then.

Any downpipe with an open neck is a good bet. Keep your eye in the for sale section as they come up quite often, otherwise, Hayward and Scott or Scoobysport are the best.

Steve
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