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Thread: What's the deal with our catalytic converters? 2way, 3way, air?

  1. 05-07-2004, 10:10 AM #11
    Martin in Bellevue
    Martin in Bellevue is offline Major Contributor
    Join Date
    Dec 2003
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    Default The 3" exhaust I had made for my 635csi wieghed ALOT less than the stock exhaust.

    Of course, the POS new Ansa muffler rotted away within 2 years.


    Quote Originally Posted by Unregistered
    What advantages do you expect with a 3" single pipe system?

    Disadvantages?

    Noisier or quieter than stock?

    How does its cost compare with conventional stock, Eberspaecher, etc.?

    Where are you gonna get your new exhaust components?

    I'm asking because I've been thinking along those lines, and don't want to re-invent the wheel or unwisely repeat mistakes of others.
    Last edited by Martin in Bellevue; 05-07-2004 at 10:11 AM. Reason: brainfart lack of spelling
    erased due to slander
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