Replacing catalytic converter with glasspacks?

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  • crafto95
    Noobie
    • Sep 2014
    • 11

    #1

    Replacing catalytic converter with glasspacks?

    I'm looking to make my 87 325is sound meaner and louder, right now it has stock everything in the entire exhaust system. I just bought a Magnaflow 14815 muffler that I plan on having a shop weld in, and I'm wondering if I should do anything about the cat. I assume it's the original cat, and while I haven't noticed any performance issues, I've heard that removing it can yield some noticeable performance gains.

    I'm considering buying two 1.75" diameter glasspacks to put in where the cat is now to further improve noise. How long is an m20 cat? I found these glasspacks online that I'm not sure if they're good or not, they come in different lengths.
    Free Shipping - Jones Exhaust Glasspack Mufflers with qualifying orders of $109. Shop Mufflers at Summit Racing.


    Bottom line is, I want my car to sound noticeably louder, but I don't want it to be unbearable like a straight-piped setup.
    sigpic

    1987 325is - (mostly) stock
    Director of "Respect Your Elders"
  • Bimmer0761
    Mod Crazy
    • Mar 2008
    • 725

    #2
    Originally posted by crafto95
    I'm looking to make my 87 325is sound meaner and louder, right now it has stock everything in the entire exhaust system. I just bought a Magnaflow 14815 muffler that I plan on having a shop weld in, and I'm wondering if I should do anything about the cat. I assume it's the original cat, and while I haven't noticed any performance issues, I've heard that removing it can yield some noticeable performance gains.

    I'm considering buying two 1.75" diameter glasspacks to put in where the cat is now to further improve noise. How long is an m20 cat? I found these glasspacks online that I'm not sure if they're good or not, they come in different lengths.
    Free Shipping - Jones Exhaust Glasspack Mufflers with qualifying orders of $109. Shop Mufflers at Summit Racing.


    Bottom line is, I want my car to sound noticeably louder, but I don't want it to be unbearable like a straight-piped setup.

    if you replace your stock cat i'd buy it for about $100 shipped let me know

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