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De cat pipe.....

smitch Oct 25, 2006

  1. smitch

    smitch Active Member

    Any of you guys got a de cat pipe fitted?

    Had my car chipped and put a K&N on it but wouldn't mind a little more grunt without splashing out too much cash. Seen the pipes on Ebay for about £90 but don't want to fit one if they don't work!

    Also, would the emissions go up and make it fail an MOT???????? :wacko:
  2. PaulJC84

    PaulJC84 Owner

    Yeah will fail an mot.

    I have one, is a pain to fit but i can do it easily now.

    You will not notice that much of a gain if any tbh.
  3. Phantom_A4

    Phantom_A4 Member

    Yep got one too, it will fail an MOT lol if you took it with it on, so keep your cat aside :) Feels a bit pokier in mine as it has 2 cats :(
  4. JayB5UK

    JayB5UK Member

    Definite better response and less lag down low in the revs I noticed, plus it's more keen to rev up to about 5k or so if you're stuck in a gear overtaking etc. Sounds weird sometimes though. Anyone elses a bit raspy?

    P.S. I do actually have a spare one as well as the one fitted. Am looking into getting some made soon so watch this space.

    Get an MOT then remove the cat that day, I did..
  5. S4_dan

    S4_dan Fire up the Quattro! VCDS Map User

    I'm getting my S4 de-catted and full stainless system fitted next thursday so will report back then what advantages / disadvantages it has.

    Good thing is, it's a custom exhaust all done for £489. :)

    Heard that removing the cats gives higher flow of gases, freer revving and better engine timing advancement due to breathing easier. So with a map, surely thats a good thing (if your map is done after the zorst mod)
  6. I am having my S4 fittted with a full sports cat system tomorrow, so will let you know how that goes!!!!
  7. S4_dan

    S4_dan Fire up the Quattro! VCDS Map User

    Sonic...how did it go?

    Getting mine done on thursday, providing it is worth doing?!?!

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