MOT time No Cats still passed
21 August 2002, 12:54 PM
#1
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Went to my friendly MOT centre yesterday for my MY98's annual check over with catted downpipe in the boot, as I guessed they would need to fit it to pass it. Imagine my surprise when she passed on emmisions without any cats (both the centre section and downpipe have been replaced with cat-less versions). Will post the actual results of the gas analyser when I remember to bring them in. The guy that did the testing used to work on scooby's and said that if it was hot when it was being tested, with a little bit of fiddling, the results can be below the max levels. I know it is illegal to pass a car without any cats but I did say the they were "friendly".
At least I am safe in the knowledge that I should be able to pass a roadside emissions test.
Just thought I would let people know!
At least I am safe in the knowledge that I should be able to pass a roadside emissions test.
Just thought I would let people know!
21 August 2002, 01:19 PM
#2
It's not illegal to pass a car with no cats.
The laws specifies max emissions, and think it has to be running at Lambda = 1.
The main reason you need the cat, is it's assume you won't pass without it.
Paul
The laws specifies max emissions, and think it has to be running at Lambda = 1.
The main reason you need the cat, is it's assume you won't pass without it.
Paul
21 August 2002, 02:01 PM
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That's even better then! If anyone wants to know, I have a Scorpion back box + centre, a TSL downpipe and a GGR induction Kit. I went for a spin with the mechanic to warm it up, and his statement was that it was a "lot" faster than standard!!!
21 August 2002, 02:51 PM
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hmmm, kinda starting to be reasssured now.
i have just bought an 93MY WRX, and it has been de-catted, and was wondering as to whether it would pass MOT. Gess I just have to find my friendly garage really.....
i have just bought an 93MY WRX, and it has been de-catted, and was wondering as to whether it would pass MOT. Gess I just have to find my friendly garage really.....
21 August 2002, 03:42 PM
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oh well, just bin clled by the garage, it didnt pass the SVA with the full de-cat sys on it!! 
so they put the original twin pipe on it
means i have to find a new back box for some nice sound!! damn!
so they put the original twin pipe on it
means i have to find a new back box for some nice sound!! damn!
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21 August 2002, 03:56 PM
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I don't know if the tests have changed but all imports outside the EU don't need a cat up till 1995. Don't ask me to find a quote on that though 
Justin
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