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Thread: milltek exhaust popping?

  
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    thomo's Avatar
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    milltek exhaust popping?

    is this common peeps as im about to buy one for the vxr but have been warned of a popping/backfire problem.

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    montyfox's Avatar
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    The milltek on my Zaf does no such thing.

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    ive got a miltec cat back on my mk4 turbo and it was fine until i removed the pre cat and then it started to pop at top end of 1st and 2nd gears

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    most exhausts will burble on the over run when you lift off at highish revs. is that what your taling about?
    Astra VXR in Star Silver - Officially the 2nd Rarest Colour

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    Quote Originally Posted by mark-12
    most exhausts will burble on the over run when you lift off at highish revs. is that what your taling about?
    yep
    some in work has a turbo 1.3 thing jap motor an you can get flames out the back about 2 foot long after we replaced the cats

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    Sounds normal to me mate, funny thing is, a VXR drove past me the other day in Barnsley with a miltek exhaust, which popped, but sounded cool TBH.

    I think It'll be the standard map slightley over fueling, as the standard exhaust is so restrictive. Just get a CS1 remap If it bothers you mate.
    Astra Coupe Turbo Edition
    230bhp remap air and exhaust mods

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