2000 E46 323ci, will 2.5 exhaust make any power differences?

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  1. 2000 E46 323ci, will 2.5 exhaust make any power differences?
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    323 is single pipe from centre back, where as 325 is double, will there be any power gains? And what make are the green cotton air filters that bmws tend to upgrade to?

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    Quote Originally Posted by vauxfan View Post
    323 is single pipe from centre back, where as 325 is double, will there be any power gains? And what make are the green cotton air filters that bmws tend to upgrade to?
    I believe the filters are Green Cotton filters - see here:

    http://www.green-filter.co.uk/
    ------------------------------------------

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    vauxfan(27-11-2009)

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    any1 know about the exhaust?

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  7. #4
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    Wont get any real power gains but it might be a little more free in the rev range.

    I will sound better though


    e46 330Ci - with some extra goodies


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