JMB RetrofitsMonster Motorsport
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  1. #1
    smitch's Avatar
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    De cat pipe.....

    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????????
    S4.

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  3. #2
    Soupie69uk's Avatar
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    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.
    A4 1.8T Quattro

  4. #3
    Phantom_A4's Avatar
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    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

  5. #4
    2nd Gear

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    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..
    2001 VW Passat 130 TDi Sport 6 Speed
    1999 Honda CBR900RR-X FIREBLADE

  6. #5
    S4_dan's Avatar
    Fire up the Quattro!

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    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)
    2002 2.5 V6 Quattro
    Mods Done: Q5 Rear aero wiper. Front ambient light install. Led number plate lens. Towbar with 13pin electrics.
    Mods to complete: Sport shocks to go with Eibach pro springs. Fit 17" 5 star matt black wheels. Fix lack of torque at low revs. Get a custom exhaust system fitted.

    FOR SALE - Eibach Pro Sport springs for a 2.5 V6 B6/7 PM ME.

  7. #6
    3rd Gear

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    I am having my S4 fittted with a full sports cat system tomorrow, so will let you know how that goes!!!!

  8. #7
    S4_dan's Avatar
    Fire up the Quattro!

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    Sonic...how did it go?

    Getting mine done on thursday, providing it is worth doing?!?!
    2002 2.5 V6 Quattro
    Mods Done: Q5 Rear aero wiper. Front ambient light install. Led number plate lens. Towbar with 13pin electrics.
    Mods to complete: Sport shocks to go with Eibach pro springs. Fit 17" 5 star matt black wheels. Fix lack of torque at low revs. Get a custom exhaust system fitted.

    FOR SALE - Eibach Pro Sport springs for a 2.5 V6 B6/7 PM ME.

 

 

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