Make a donation

Author Topic: Full mot but catless  (Read 4977 times)

Offline amanda

  • Always Involved
  • ****
  • Thank You
  • -Given: 9
  • -Receive: 13
  • Posts: 372
Full mot but catless
« on: March 18, 2019, 05:46:55 pm »
So who does one???? Rather I think I must make this a little bit clearer in exactly what I mean!!!
I have a car that I need an mot on but I am a stickler for someone who will do a full genuine mot but with 1 exception..........the car is decatted. I do not want a dodgey mot as the car is too high powered to even entertain it (which I wouldn’t do anyway as I value my life too much🤣)
I just don’t want the emissions tested 😏😏
So does anyone use such a person????


Please pm me
« Last Edit: March 19, 2019, 12:47:58 pm by amanda »

Offline muff1991

  • Won't Shut up.
  • *****
  • Thank You
  • -Given: 8
  • -Receive: 69
  • Posts: 925
Re: Full mot but catless
« Reply #1 on: March 20, 2019, 04:09:29 pm »
where are you based?

Offline chigmuss

  • Always Involved
  • ****
  • Thank You
  • -Given: 5
  • -Receive: 16
  • Posts: 219
Re: Full mot but catless
« Reply #2 on: March 20, 2019, 07:45:06 pm »
Cut n paste from interweb:
ARE CATALYTIC CONVERTERS REQUIRED BY LAW IN THE UK?
Modern petrol cars are subject to much stricter emission regulations, such that vehicles must be fitted with a catalytic converter from 1992. It is a legal requirement that a catalytic converter must be fitted to all petrol vehicles in order to pass an MOT test.

There's a link that you can click on which clarifies the position that if your car originally had one fitted, it must be present.

It seems there are a few options:
1) leave your existing OEM cat in place
2) replace with a sports cat
3) gut the cat to give a cat less appearance
4) fit a de-cat pipe but refit the OEM cat for the MOT test

Cat by-pass pipes are so different in appearance that you will need to be pals with the tester in order for them to overlook it and test the car with the by-pass on.

I have no idea if you can get a cat less car to pass the emissions test, anecdotally your car being good and warm helps with the test, so maybe that is the key to passing when cat less. I have a BCS 200 cell sports cat and never had an issue at MOT time.

Offline pudding

  • Global Moderator
  • Just look at my post count
  • *
  • Thank You
  • -Given: 2
  • -Receive: 670
  • Posts: 8229
Re: Full mot but catless
« Reply #3 on: March 21, 2019, 09:14:14 am »
When I was in the same predicament years ago, my test station shoved their emissions probe up a 1.0 Lupo's exhaust pipe for that part of the test  :grin:

Have you not got a cat you can shove on temporarily?  Always handy to have one kicking around for the test.


2007 ED30 | 2009 TDI 140 | 2016 BMW 330D

Offline amanda

  • Always Involved
  • ****
  • Thank You
  • -Given: 9
  • -Receive: 13
  • Posts: 372
Re: Full mot but catless
« Reply #4 on: March 21, 2019, 10:10:51 am »
Haha pudding I have a 1.2 corsa they can do that to but apparently that won’t be legal now. :fighting:
I do have the original cats from the car but my biggest problem is fitting them as both need going on and to do this it means dropping the engine ............aghhhhhhhh

Offline pudding

  • Global Moderator
  • Just look at my post count
  • *
  • Thank You
  • -Given: 2
  • -Receive: 670
  • Posts: 8229
Re: Full mot but catless
« Reply #5 on: March 21, 2019, 10:22:24 am »
Indeed it is, and always has been, but I have no conscience where that is concerned.  If they hand me a pass certificate, all is well  :grin:   People on here bash out their cats all the time and still get a pass  :smiley:

Ahhh, sounds like a pain then.  Is it a 911 or a Ferrari or something?  :laugh:

How old is the car?  Older cars have a much more generous CO pass limit, so technically speaking, if it meets the target without a cat(s), it might still pass.

Or you could stick a cat on the end of the tailpipe just for test  :grin:



2007 ED30 | 2009 TDI 140 | 2016 BMW 330D

Offline amanda

  • Always Involved
  • ****
  • Thank You
  • -Given: 9
  • -Receive: 13
  • Posts: 372
Re: Full mot but catless
« Reply #6 on: March 21, 2019, 12:34:47 pm »
Indeed it is, and always has been, but I have no conscience where that is concerned.  If they hand me a pass certificate, all is well  :grin:   People on here bash out their cats all the time and still get a pass  :smiley:

Ahhh, sounds like a pain then.  Is it a 911 or a Ferrari or something?  :laugh:

How old is the car?  Older cars have a much more generous CO pass limit, so technically speaking, if it meets the target without a cat(s), it might still pass.

Or you could stick a cat on the end of the tailpipe just for test  :grin:



O M G the rspca will be after me for cruelty as I will need 2 .......1 for each side!!!!!!!

The car is nothing as exotic as a Ferrari but much more iconic  :notworthy:
If you have seen the film/vid Layer Cake ........you should instantly know what she is  :booty:

Offline pudding

  • Global Moderator
  • Just look at my post count
  • *
  • Thank You
  • -Given: 2
  • -Receive: 670
  • Posts: 8229
Re: Full mot but catless
« Reply #7 on: March 21, 2019, 02:55:46 pm »
 :happy2:


2007 ED30 | 2009 TDI 140 | 2016 BMW 330D

Offline Chesto18

  • Always Involved
  • ****
  • Thank You
  • -Given: 4
  • -Receive: 1
  • Posts: 130
    • Email
Re: Full mot but catless
« Reply #8 on: March 21, 2019, 09:10:45 pm »
Indeed it is, and always has been, but I have no conscience where that is concerned.  If they hand me a pass certificate, all is well  :grin:   People on here bash out their cats all the time and still get a pass  :smiley:

Ahhh, sounds like a pain then.  Is it a 911 or a Ferrari or something?  :laugh:

How old is the car?  Older cars have a much more generous CO pass limit, so technically speaking, if it meets the target without a cat(s), it might still pass.

Or you could stick a cat on the end of the tailpipe just for test  :grin:



O M G the rspca will be after me for cruelty as I will need 2 .......1 for each side!!!!!!!

The car is nothing as exotic as a Ferrari but much more iconic  :notworthy:
If you have seen the film/vid Layer Cake ........you should instantly know what she is  :booty:
B5 RS4? Nice.

Offline Ripstop

  • Always Involved
  • ****
  • Thank You
  • -Given: 1
  • -Receive: 11
  • Posts: 133
    • Email
Re: Full mot but catless
« Reply #9 on: March 22, 2019, 12:03:23 pm »
Ever since I saw that film I always wanted one too  :happy2:
Stage 1 2007 Black Eddy  #1000 - VCDS Hex+Can (Novice coder). H&R springs, newish Bilstein B4's. Gen 3 Steering rack, Helix organic.  The car is *always* work in progress fixing and upgrading things.

Offline MIJ_JAGGER

  • Won't Shut up.
  • *****
  • Thank You
  • -Given: 103
  • -Receive: 77
  • Posts: 765
Re: Full mot but catless
« Reply #10 on: March 22, 2019, 12:23:29 pm »
For a second I thought it was the yellow Range Rover

Offline amanda

  • Always Involved
  • ****
  • Thank You
  • -Given: 9
  • -Receive: 13
  • Posts: 372
Re: Full mot but catless
« Reply #11 on: March 22, 2019, 04:41:11 pm »
@ Chesto


You need to watch more vids...........layer cake does not have a b5 Rs4 as a star  :booty: a2.5 non turbo isnt that special :rolleye:


Something a bit faster and more special as it’s twin turbo and very much a sleeper!

Offline fast_eddie

  • Just Arrived
  • **
  • Thank You
  • -Given: 6
  • -Receive: 0
  • Posts: 21
    • Email
Re: Full mot but catless
« Reply #12 on: April 05, 2019, 12:09:20 am »
Am I right in thinking that if a major crash happens and a full investigation takes place, that car without a cat fitted will be deemed to be uninsured as it not classes as having an MOT?