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Thread: Exhaust options cdti sportex?

  1. #1
    Regular Member ONEMINUTESILENCE's Avatar
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    Default Exhaust options cdti sportex?

    I have seen a lot of people go down the dual exhaust route, this just seems like a lot of money to me so I was wondering how easy it would be to just change the backbox? Is it welded on or just bolted on?

    For example I was looking at a sportex box for around £100 just to give me a slightly deeper note.

    Does anyone know what it will be likely to sound like?

    Also I have an SRi lower surround so what sort of diameter pipe could I get?

  2. #2
    Regular Member ONEMINUTESILENCE's Avatar
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    Can anyone help?

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    Regular Member bangty 1's Avatar
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    hi m8 if you have a diesel ent no point everything i keep hearing is there ent no note to be had from a diesel unless you go from cat back but thats what i hear.....fort bout it myself then fort whats point if all it going to do is look good and for £300 i dont think so... but anyway the back box is bolted on i think m8

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    Regular Member Dan_BlackSRi's Avatar
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    Vehicle : Vectra SRi

    Trim : XP NAV

    Engine : 1.9 CDTi 150

    Year : 2007

    Default

    As said, a back box alone on a CDTi isn't going to make much (if any) difference to the sound, CAT back with centre boxes removed is the best bet.

    A cheap option could be a Powerflow (type place) to remove your centre box and weld on a new tail pipe.

  5. #5
    Regular Member bangty 1's Avatar
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    well my signum dont have a center box it go cat,dpf,back box

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    Regular Member ONEMINUTESILENCE's Avatar
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    Will mine have DPF? Its a 2004 cdti sri 150, manual

    It's a shame you won't get any sort of noise from just a backbox. Perhaps you could do the sellers on ebay that makes claims it "gives a deeper tone"

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    Regular Member bangty 1's Avatar
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    yer id say you have

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    Regular Member ScotsDragon's Avatar
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    Vehicle : Vectra

    Trim : SRI

    Engine : 1.9 CDTI 150

    Year : 2007

    Mileage : 50000

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    I have the sportex 4" on my cdti 150, in very quiet unlesss you rev it hard,


  9. #9
    Regular Member ONEMINUTESILENCE's Avatar
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    scotsdragon did you just get a backbox? Is it any different at all to the standard sri one?

  10. #10
    Regular Member ScotsDragon's Avatar
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    Vehicle : Vectra

    Trim : SRI

    Engine : 1.9 CDTI 150

    Year : 2007

    Mileage : 50000

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    Quote Originally Posted by ONEMINUTESILENCE View Post
    scotsdragon did you just get a backbox? Is it any different at all to the standard sri one?
    I got the direct fit one for the vectra all you need is longer exhaust rubbers.


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