zippypooz Posted October 3, 2013 Share Posted October 3, 2013 So, if i was to de cat my zed, do you recon id get away with it passing an mot on emmisions?? Just a thought!! hmmmm. Quote Link to comment Share on other sites More sharing options...
Ekona Posted October 3, 2013 Share Posted October 3, 2013 No. Even if it did, which it won't, it would fail under the new MOT rules that state if a car had a cat from the factory, then it must still have one fitted. Quote Link to comment Share on other sites More sharing options...
Tarmac@TarmacSportz Posted October 3, 2013 Share Posted October 3, 2013 Nope - I can sell you a set though 2 Quote Link to comment Share on other sites More sharing options...
AliveBoy Posted October 3, 2013 Share Posted October 3, 2013 So, if i was to de cat my zed, do you recon id get away with it passing an mot on emmisions?? Just a thought!! hmmmm. If you're friends with the tester.... 1 Quote Link to comment Share on other sites More sharing options...
zippypooz Posted October 4, 2013 Author Share Posted October 4, 2013 lol its staying catted then!!...for now!! right im off to make friends with an mot tester!! Quote Link to comment Share on other sites More sharing options...
rabbitstew Posted October 4, 2013 Share Posted October 4, 2013 (edited) No. Even if it did, which it won't, it would fail under the new MOT rules that state if a car had a cat from the factory, then it must still have one fitted. What he said. The MOT tests up until 2012 were purely on emmisions, so you could ditch your cat and take a (slim) chance that it would still pass. However after 2012 they change the rules that if your car came with a cat, it has to have a cat in order to pass the MOT. In reality im not sure how MOT inspectors check this, as from the outside how do they know whether a cat has anything inside it. As an alternative to a de-cat you can get performance cats which i presume are free-er flowing but still keep emissions down. You can of course find a "friendly" MOT man like my mate with his 700bhp Scooby does who apparently sticks the emissions probe in the exhaust of whatever other car happens to be in the garage. However, this does mean that if you get caught by a roadside VOSA check and your car doesnt pass their roadside tests then technically its not "road worthy" and can be confiscated. Edited October 4, 2013 by rabbitstew Quote Link to comment Share on other sites More sharing options...
AliveBoy Posted October 4, 2013 Share Posted October 4, 2013 No. Even if it did, which it won't, it would fail under the new MOT rules that state if a car had a cat from the factory, then it must still have one fitted. What he said. The MOT tests up until 2012 were purely on emmisions, so you could ditch your cat and take a (slim) chance that it would still pass. However after 2012 they change the rules that if your car came with a cat, it has to have a cat in order to pass the MOT. In reality im not sure how MOT inspectors check this, as from the outside how do they know whether a cat has anything inside it. I know people who "decat" their car by smashing the core out of their OEM cats, they are also talking about making it an MOT failure to have the ECU modified, however as you say above, for your average MOT tester, its going to be impossible to check! Quote Link to comment Share on other sites More sharing options...
wmr1980 Posted October 4, 2013 Share Posted October 4, 2013 If you have the means to do it, decat it, but then just replace the cats for the mot. Quote Link to comment Share on other sites More sharing options...
Jetpilot Posted October 4, 2013 Share Posted October 4, 2013 However, this does mean that if you get caught by a roadside VOSA check A Mot is pretty much invalid as soon as you leave the test station. I would pull up to the test station in my Rx7 (500+ hp), adjust the fuelling on the Apexi so it would pass basic emissions, drive it in, pass, then before i went anywhere adjust it back to its normal map. I have just decatted my car, i put it in for a mot, mot passed, deacts fitted A years worth of motoring before i have to swap them back. Quote Link to comment Share on other sites More sharing options...
ilogikal1 Posted October 4, 2013 Share Posted October 4, 2013 In reality im not sure how MOT inspectors check this, as from the outside how do they know whether a cat has anything inside it. It's just a visual inspection - does there appear to be a cat present? Check. Move on. Quote Link to comment Share on other sites More sharing options...
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