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View Poll Results: What have you done?

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18. You may not vote on this poll
  • Remap ONLY

    7 38.89%
  • Remap & Full De-Cat

    7 38.89%
  • Remap & main Cat removed ONLY

    4 22.22%
  • Remap & Pre Cat removed ONLY

    0 0%
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Thread: CDTI's - Maps and Cats Poll?

  1. #1
    Full Member Leemarksmith's Avatar
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    Vehicle : Vectra

    Trim : SRi (VXR Styling)

    Engine : Z19DTH (Re-mapped)

    Year : 04

    Mileage : 140k

    Default CDTI's - Maps and Cats Poll?

    Will be getting mine mapped soon, but wondering what to do with the cats, might end up leaving them in place to be fair but unsure?

    So pop in you vote and let me know what you've done and anyone want to chip in pros and cons?

    Please ONLY vote if you have a CDTI and have had a re-MAP of course

  2. #2
    Regular Member Даниил's Avatar
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    Vehicle : Vectra C

    Trim : sri nav/Elite

    Engine : CDTI 150

    Year : 56

    Mileage : 130ish

    Default

    was it you at hull that had a straight from cat back?

  3. #3
    Regular Member Mark-R's Avatar
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    Vehicle : GSI

    Trim : (vxr/irmy)

    Engine : 3.2 v6

    Year : 2004

    Default

    When i had my old CDTI 1.9 i had a remap and full decat

  4. #4
    Full Member Leemarksmith's Avatar
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    Vehicle : Vectra

    Trim : SRi (VXR Styling)

    Engine : Z19DTH (Re-mapped)

    Year : 04

    Mileage : 140k

    Default

    Only took the 2.2 SE to Hull Dan, its still on the standard exhaust... CDTI already has a twin cat back stainless however...

  5. #5
    Regular Member Даниил's Avatar
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    Vehicle : Vectra C

    Trim : sri nav/Elite

    Engine : CDTI 150

    Year : 56

    Mileage : 130ish

    Default

    oh see must be getting you confused

    remove cats definitely especially pre-cat. mine felt noticeably smoother and a slight turbo whistle.

    i have a straight through now and my mate says it sounds like daft vader its strange lol.

  6. #6
    Full Member Leemarksmith's Avatar
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    Vehicle : Vectra

    Trim : SRi (VXR Styling)

    Engine : Z19DTH (Re-mapped)

    Year : 04

    Mileage : 140k

    Default


    My exhaust has boxes, not too fussed about the boy racer sound and it'll be quiet with them in anyway... Astra used to give me headaches on motorway lol... Not sure wether to gut the cats or a new stainless piece added...

    Last time I had second work done to an exhaust tho, took 3 attempts to sort the squint look, tools at power flow...


    You guys voting fancy putting some figures and driving differences too
    Last edited by Leemarksmith; 16th February 2013 at 22:48.

  7. #7
    Regular Member Mark-R's Avatar
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    Vehicle : GSI

    Trim : (vxr/irmy)

    Engine : 3.2 v6

    Year : 2004

    Default

    I gutted the front cat and done away with the back cat as i had a scorpion on mine sounded good didnt have much turbo noise as well but a little rumble.

  8. #8
    Regular Member ditchp's Avatar
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    Vehicle : Vectra cdti estate

    Trim : Get a

    Engine : Dirty diesel

    Year : 2006

    Default

    precat & centre section only here, remap is by promap tuning

    i did remove the centre section before the hull show but the turbo spool was far too loud so it went back on..

    hth
    Midlands Mod Shop - NFFC.

  9. #9
    Regular Member
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    Vehicle : vectra

    Trim : vxr

    Engine : 2.8 v6 turbo

    Year : 2007

    Default

    i just have a pipe bokted to my turbo thats it lol

  10. #10
    Full Member Leemarksmith's Avatar
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    Vehicle : Vectra

    Trim : SRi (VXR Styling)

    Engine : Z19DTH (Re-mapped)

    Year : 04

    Mileage : 140k

    Default

    Anyone know if what the new MOT rules are likely to be, suggests a visual inspection of the cats now... May leave or just gut the second, leave the pre?

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