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Thread: Z18XE tuning potential??

  
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    cabriolet-alex's Avatar
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    Z18XE tuning potential??

    hi guys

    I'm just wondering what kinda gains in bhp i'd get from adding a lexmaul exhaust manifold with sports cat, dbilas flowtec inlet and cams then a remap?

    i've already deristricted the airbox and done the veccy c mod plus added a courtney panel filter, and i've also got a irmscher backbox and remus cs on the way???

    cheers guys
    Lowerd,tints, irmscher grill, irmscher back box and remus cs, courtney panel filter, veccy c mod, deristricted airbox

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    KrisC's Avatar
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    You'd probably see 160bhp, add some cam's and you'll be seeing 165-170bhp

    TBH if your that performance orientated then the remus cs and and Irmscher backbox should be sold and replaced with custom blueflame exhaust or similar.

    The Irmscher backbox is the main restriction, it may aswell be the OE backbox on there.

    Great engine tho, with lot's of tuning potential, the lexmaul manifold's seem to work wonders on them.
    Astra SRi Turbo
    281|317

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    lol so it should shift then?

    I'm only getting the irmscher backbox cos it's not loud. dunno what the blueflame is like noise wise??

    Think i'll put it on the rollers first b4 i get all the above the after to see what diffrence there really is.

    You think the torque will increase much?? you think i'll see 130-150 ft/lbs?
    Lowerd,tints, irmscher grill, irmscher back box and remus cs, courtney panel filter, veccy c mod, deristricted airbox

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    TBH you won't get much in the way of a Torque increase, mabey some but your top end power will increase.

    A Custom made exhaust from the like's of Blueflame can be as loud or as quiet as you want and you have a vast range of tailpipe design's to choose from.

    If you can afford it then it's deffiently worth doing because the Irmscher one will just bog you down.
    Astra SRi Turbo
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