Actual exhaust size 3.6DI
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2008-2013 Cadillac CTS Performance Mods Discussion, Actual exhaust size 3.6DI in Cadillac CTS Second Generation Forum - 2008-2013; I purchased some band style clamps in 2.25" to start some testing and modding to my exhaust. 2.25" will not ...
  1. #1
    87stocker is offline Cadillac Owners Member
    Automobile(s): 2010 cts4 loaded
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    Actual exhaust size 3.6DI

    I purchased some band style clamps in 2.25" to start some testing and modding to my exhaust. 2.25" will not clamp down. I don't believe, contrary to popular belief that we have a 2.25" system on our cars. Unless Gm uses thinner walled pipe than normal. It was close but would not tighten up. I have now purchased 2" one and I will get a actual inside measurement when I cut it. Unless someone can enlighten me.


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  3. #2
    bronik90's Avatar
    bronik90 is offline Cadillac Owners Fanatic
    Automobile(s): 2011 CTS Coupe - 3.6l DI AWD
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    2" exhaust on my '11 coupe

  4. #3
    87stocker is offline Cadillac Owners Member
    Automobile(s): 2010 cts4 loaded
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    Thread Starter

    Re: Actual exhaust size 3.6DI

    That's what I thought. So was there some years that had a 2.25" or was that just guys measuring the outside of the pipe?

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