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Thread: Exhaust BackBox problems

  
  1. #1
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    pipeline1's Avatar
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    Exclamation Exhaust BackBox problems

    I recently purchased and fitted a Peco 4" backbox for my astra Mk4 1.6I 8v, and was disappointed with the sound difference between the standard and the new backbox.

    I would appreciate any help or advice as to why there is little or no difference between the sound of the new backbox and the old, i was expecting the new backbox to be more meaty sounding, but was quite dissapointed.

    All help Appreciated.

    Pipeline1

  2. #2
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    iain863's Avatar
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    what else added to exhaust system/
    you de-cat it?
    straight through pipe?

    This will make some sort of difference
    Disclaimer - some of the above text may actually be sarcasm (believe it or not!)

    Astra 02, SRi 1.8i - Irmscher'd up (a bit) with Zebra front bumper


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    turbo will's Avatar
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    it will take a little time to settle in. i had a peco on my cav that took a while to get noisy

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    What really makes a difference is removing the centre silencer with something like a Remus item.
    I>< Silver Coupe ><I

  5. #5
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    if its just the backbox there wont be much difference alltho itll take time to bed in

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