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Thread: 3.2 gsi exhaust

  1. #1
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    Vehicle : Vectra

    Trim : Gsi

    Engine : 3.2

    Year : 2004

    Default 3.2 gsi exhaust

    My exhaust is a bit of a mix match and not in good health, my zorst from the front of the cat is 21/4 inch, mid section is 2inch,and the rear y piece and back box pipe is 1 3/4 it's really restricted, I'm looking at getting a full stainless system soon but not knowing the best way to get the sound out without being too drowny, a guy said to do a decat and small centre box, but remove rear silencers and just have nice ovals coming out, another exhaust guy says completely de cat and centre section removal and have 2 14inch back boxer's with the ovals, anyone know what's the best way to get the sound of the v6 flowing as it should, without the drown in the cabin

  2. #2
    Regular Member nikroc's Avatar
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    Vehicle : 2t

    Trim : standard

    Engine : z20net

    Year : 08

    Mileage : 32000

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    Go get a custom exhaust made..when I did,on my 2t,I went back and added an extra box due to noise/droning.FYI it cost me the same price,for a cat back system as the price of one back box!..

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    Regular Member simon1's Avatar
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    Vehicle : Insignia elite tourer vxline biturbo

    Trim : Elite vxline

    Engine : 2.0 biturbo

    Year : 2013

    Mileage : 80000

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    were retrofitting a full new exhaust system on my mates gsi
    currently its straight threw front to back and vxr trims its sounds nice deep growl but he says getting old and his ears and neighbors carnt take the noise any more lol

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  6. #4
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    Vehicle : Vectra

    Trim : Gsi

    Engine : 3.2

    Year : 2004

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    Can't beat the sound of a v6 ��

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