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Thread: vectra c sri 2.2 dti decat

  1. #1
    Full Member garyvectrac's Avatar
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    Vehicle : vectra sri dti

    Trim : design

    Engine : 2.2dti

    Year : 2003

    Mileage : 70,000

    Default vectra c sri 2.2 dti decat

    hi people, im after getting a bit more poke and a nicer sound from my 04 vectra 2.2 dti sri, looking at some different bits n bobs ie k&n filter and full boxless (no silencer) exhaust in cluding de-cat. does any body know if this http://www.ebay.co.uk/itm/VECTRA-C-3...item4aad74237d will fit on my car or does anyone know of one for my car, also looking at this, not to worried about stainless steel
    http://www.ebay.co.uk/itm/2908585013...84.m1438.l2649
    . love the car allready lowered it 45mm, debadged grill, red calipers, debadged back end, wind deflectors, carbon pillar stickers.
    cheers guys

  2. #2
    Regular Member MrDerv's Avatar
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    The decat in the first link wont fit.

    The DIT's cat is part of the downpipe from the turbo to centre section.

    Someone else may be able to help you with the second link as i'm not sure if there's size differences between the 2.2 petrol and diesel

  3. #3
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    Vehicle : Vectra

    Trim : Design

    Engine : 1.9CDTi

    Year : 2005

    Mileage : Lots

    Default

    As far as I know the DTi engines only had the one cat underneath. I had mine chopped out and replaced with a piece of pipe by the local exhaust place.

  4. #4
    VIP-Member Z80's Avatar
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    Vehicle : Opel Vectra GTS

    Trim : Elegance

    Engine : 2.2 DTi 16V

    Year : 2003

    Mileage : 75 000

    Default

    It's not exactly on the downpipe as on CDTis, I mean it's not placed just after the exhaust, though it's one the same pipe (that's much longer on this engine).

    It's actually after the flex braided connection, just before the central silencer, and exhaust specialists can unwield them and replace them with a tube - or hide it inside the emptied catalyser for MOT passing, wielding it back over the added tubing.

    I just emptied mine using a rebar and fitted the downpipe back straight away.

    It really helps the engine climbing up revs fast, and doesn't change anything for MOT, as they only check for smoke on diesels.
    Last edited by Z80; 12th February 2013 at 05:44.

  5. #5
    Full Member garyvectrac's Avatar
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    Vehicle : vectra sri dti

    Trim : design

    Engine : 2.2dti

    Year : 2003

    Mileage : 70,000

    Default

    does anybody know what size pipe i would need to remove cat and middle box, also if it will just be straight section of pipe, if so i can just do it myself.

  6. #6
    Regular Member Signum-Steve's Avatar
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    Vehicle : Jaguar S-Type V6

    Trim : Sport

    Engine : Petrol

    Year : 2003

    Default

    Just knock the guts out of your cat with a bar and then replace it. An incomplete exhaust system could be picked up on the mot and failed.

  7. #7
    Full Member garyvectrac's Avatar
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    Vehicle : vectra sri dti

    Trim : design

    Engine : 2.2dti

    Year : 2003

    Mileage : 70,000

    Default

    no i would really like to keep the cat and just have a straight through pipe for both cat and middle section. does any body know pipe diameters at all.

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