Volks AutosJMB Retrofits
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  1. #1
    james0808's Avatar
    6th Gear

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    Exhaust bore size

    What sort of power can an exhaust of 70mm diameter handle before it becomes restrictive???

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  3. #2
    2nd Gear

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    Jun 2007
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    was running 300bhp on 2.75inch exhaust.
    almost got round to running 400+ till crash.
    had big high flow cat from jabbasport, and 3" downpipe

  4. #3
    james0808's Avatar
    6th Gear

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    Cheers fella,260 will be easy then.

  5. #4
    2nd Gear

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    yep easy.

 

 

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