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Thread: 4ac Exhaust sizing

  1. #1

    Default 4ac Exhaust sizing


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    Quick question guys,
    What (if anything other than stock!) size exhaust is everyone running on their 4ac in their sprinter or ae71?
    I keep blowing the welds/muffler keeps cracking on mine so soon, it's going to be time to just get a new exhaust made up. I can easily work out how loud i want it, just trying to guage size. Am thinking 2.25", any differentiation from that?
    Cheers

  • #2
    Veteran Golberg's Avatar
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    Just get another stock system for nothing (I have 3 if you want one), the real restrictions are in the exhaust headers. You'll have to get extractors or something if you want any real improvement.

  • #3
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    Henry
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    2 inch
    RT142 Estate.

    AJPS.

  • #4

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    Cheers guys,
    Not doing it for a power increase, simply just considering it as i reckon the same thing will happen to another stock one.
    Cheers for the offer too Golberg, would take you up on that but postage wouldn't be worth it.

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