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Thread: twin cans on turbo

  1. #1
    Regular Member voxpop's Avatar
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    Default twin cans on turbo

    anybody else have the vectra sri 2litre turbo saaby type thingy????? with twin rear boxes? since i got mine a fortnight ago have taken her back to the dealers a couple of times cos the exhaust seems to pop on tickover/over run! thought i had a leak or the baffles had gone! is this popping/rumbling a fault or just a normal thing for these cars? cheers in advance dealer says it is normal by the way but arent all dealers full o ****e?

  2. #2
    Regular Member voxpop's Avatar
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    oh....and while on the subject anyone any thought on decent upgrades for the cat back????? turbo specific if at all poss...cheers Pete

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    Regular Member Caterman's Avatar
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    Vehicle : Signum

    Trim : Elite

    Engine : 3.2 V6

    Year : 05

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    There ae a few options, Powerflow, Miltek etc. Depends on cost, Powerflow will be around £350 ish.

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    Regular Member Jamie's Avatar
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    Mine pops and burbles occasionaly under engine breaking... i've never questioned it cos I think it sounds cool!!!

  5. #5
    Regular Member voxpop's Avatar
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    cheers for the replies ..... £350 aint too bad caterman....better than £900 from irmscher eh!

    jamie thats what my local exhaust centre said...QUOTE"i get YOUNG lads in here spending £1k to make theyre car sound like yours" as if i wasnt a young lad or summat eh...cheeky sod!!! i'm only a young 38 ye know....LOL

  6. #6
    Regular Member joules2.0t's Avatar
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    Trim : SRI


    Year : 53

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    Mine does exactly the same - Nothing to worry about.
    Really like it!

  7. #7
    [Ex]Admin Duncan's Avatar
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    When I had the Vec hire car earlier this year (facelift 2.0T SRi) I noticed that the exhaust did that as well - whereas on my Signum (same engine) it doesn't. It burbles when idling, but it doesn't do the 'popping' when lifting off. Must be due to the different exhaust layout on the Signum.

    D

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    Regular Member maurauth's Avatar
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    I know this is a huge thread ressurection but... I've been looking into exhausts and wondering if there was any conclusion upon 2.0T veccys burbling and popping whilst 2.0T siggys not, and if anyone worked out why? Or if it was just speculated that the exhaust layout had some sort of effect?

    Has anyone noticed popping in a signum 2.0T with aftermarket exhaust?

  9. #9
    Ex Vec-C Admin Deztroyer's Avatar
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    i can get my signum to pop if i sit stationary and rev the nuts out of it letting it back off and then reapply the accelerator

    but tbh i dont really want it to do that.... therefore i dont sit stationary and rev the nuts out of it

    0-Large smile ......every time it's driven

  10. #10
    Regular Member maurauth's Avatar
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    Quote Originally Posted by deztroyer View Post
    i can get my signum to pop if i sit stationary and rev the nuts out of it letting it back off and then reapply the accelerator

    but tbh i dont really want it to do that.... therefore i dont sit stationary and rev the nuts out of it
    will give it a go when the time is a bit less antisocial, how long do you rev it for, I've given it a few revs in the past whilst stationary and the most that has happened is condensation dripping out of the end of the exhaust lol.

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